Here are some of the leading headlines in the world today.

Trump shows that impeachment will not moderate him

President Donald Trump is not waiting to be acquitted of impeachable crimes to show that no one can stop him doing what he wants to do.

Exclusive: Warren accused Sanders in tense post-debate exchange of calling her a ‘liar’ on national TV

In a tense and dramatic exchange in the moments after the Democratic debate Tuesday night, Elizabeth Warren accused Bernie Sanders of calling her a liar on national television.

Potential super-Earth found orbiting the nearest star from our sun

Researchers have traced a second planetary signal to the nearby Proxima Centauri star. They believe it belongs to a super-Earth.

China’s new SARS-like virus has spread to Japan, but we still know very little about it

Fears are mounting across Asia over the cross-border spread of a new coronavirus identified in China that has killed one patient and sickened dozens, as health authorities race to identify the source of the pathogen.

Pakistan avalanches kill at least 77 people

At least 77 people have been killed and 94 injured in northeast Pakistan after a series of avalanches destroyed and buried houses.

Pope appoints woman to senior Vatican role

Pope Francis has appointed Italian lawyer Francesca Di Giovanni to a high-ranking role in the Vatican’s diplomatic division, further cementing his credentials as one of the most progressive Holy Fathers in history.

What do experts see as the biggest risk to the world in 2020? American politics

American politics is the biggest threat facing the world in 2020 and the looming presidential election will stress the country’s institutions, influence economic and foreign policy and further divide an already polarized electorate, with potentially huge consequences for the climate, business and investors.

Meghan’s father Thomas Markle could end up testifying against her in UK legal battle

Thomas Markle, the father of Meghan, Duchess of Sussex, could end up testifying against her in a potential court battle over her treatment in the UK media. It’s not yet clear whether Markle will testify, should the case reach court, but these documents appear to show Meghan’s father has been co-operating with the defense, making him a likely witness.

Prague is sister cities with Taipei, and China isn’t happy

Prague has become sister cities with Taiwan’s capital Taipei, angering China and prompting Shanghai to cut ties with the Czech capital.

Attenborough warns of climate ‘crisis moment’

According to the renowned naturalist and broadcaster, “we have been putting things off for year after year”. “As I speak, south east Australia is on fire. Why? Because the temperatures of the Earth are increasing,” he said. Sir David’s comments came in a BBC News interview to launch a year of special coverage on the subject of climate change.

Trump ‘knew what was going on’ says Giuliani aide

An aide to Rudy Giuliani claims President Trump “knew exactly what was going on” regarding efforts to pressure Ukraine into investigating former Vice-President Joe Biden and his son. Lev Parnas, a close associate of Mr Trump’s lawyer, made the comments in an interview with MSNBC.

Africa Live: Malawi lawyers delighted by pro-dreadlocks ruling – BBC News

A Ugandan man accused of masquerading as a woman before marrying an imam has been charged with committing an “unnatural offence” and with theft, the Daily Monitor newspaper reports. Richard Tumushabe’s identity was discovered after police arrested him on suspicion of stealing a television set and clothes from a neighbour at his new marital home, the paper says.

House Sends Articles Of Impeachment To Senate

The House voted Wednesday to send articles of impeachment against President Donald Trump to the Senate nearly one month after voting to impeach him, clearing the way for his trial to begin. Members of the House are expected to formally march the impeachment articles over to the Senate later in the day, following tradition.

In Rare Good News, Australia Says Endangered ‘Dinosaur Trees’ Saved From Devastating Fires

Australian officials said Thursday that a stand of trees with ancestors that date back 200 million years was saved from a series of devastating bushfires, a glimmer of good news as the country begins recovering from the ongoing disaster.

Donald Trump Jr. Spectacularly Self-Owns With Question About Democrats

Donald Trump Jr. asked a snarky question about the Democrats on Twitter and it spectacularly backfired. President Donald Trump’s eldest son praised his father’s signing of a new trade agreement with China in a tweet, below, and asked people to “name a single Democrat accomplishment?”

Twitter’s Jack Dorsey explains why you’re not getting that edit button

Twitter CEO Jack Dorsey is gently putting his foot down about adding an edit button. As flagged by The Verge, Dorsey recently sat down for Wired and answered a bunch of reader tweets. While no one asked why President Donald Trump is allowed to continue threatening war in violation of Twitter’s Terms of Service, someone did ask about the edit button and Dorsey answered succinctly: “No.”

‘Jeopardy!’ contestant roasts competitor during championship tournament

James Holzhauer is known for winning absurd sums of money on Jeopardy! and just generally being an absolute beast on the show. Now, he’s adding “savage” to his TV gameshow resume. Holzhauer and fellow contestants Ken Jennings and Brad Rutter have been battling it out on the show’s championship tournament Jeopardy!

Stormzy sums up the exact reason Brits don’t like Meghan Markle

You can’t really blame Meghan Markle for leaving the UK after receiving not just a chilly welcome, but a downright frosty and hostile one. Headline after headline has subjected the Duchess of Cambridge to huge amounts of criticism and, if you compare the headlines about the Duchess of Sussex and the Duchess of Cambridge , you’ll see a very stark contrast.

Instagram DMs come to the web

You’ll soon be able to slide into someone’s Instagram DMs right from your desktop. As of Tuesday, Instagram began rolling out direct messages on the web for a small percentage of users, according to . The rollout is part of a test, Instagram says, and information regarding a broader rollout will come at a later date.

Elon Musk teases Teslas will soon be able to ‘talk’ to pedestrians

Today in stuff we’re (probably) gonna hate: Teslas “talking” to pedestrians. On Friday, Tesla CEO and professionally exhausting human Elon Musk tweeted a video teasing an upcoming Tesla feature, involving external speakers and possibly artificial intelligence. Captioned “Teslas will soon talk to people if you want.