Trump impeachment

Watch live: Senate impeachment trial of President Donald Trump

US President Donald Trump has rejected the impeachment charges and called for their immediate dismissal while Senate Majority Leader Mitch McConnell has proposed rules that would execute a potentially quick trial. Senators could vote on McConnell's resolution Tuesday as the impeachment proceedings are due to start at around 1 p.m. ET. Watch the proceeds streaming live here.

How will Brexit impact scientific research in the UK?

One small piece of the Brexit puzzle will be how the UK funds scientific research, and how easy or hard it will be for scientists — who traditionally are part of an international, mobile workforce — to work outside their home country.

Military

Trump wants NATO more involved in the Middle East. What does Europe want?

US President Donald Trump said he wants NATO to be more involved in the Middle East and made appeals to Europe in his Wednesday address on Iranian strikes against US troops in Iraq, carried out in retaliation for a US drone strike that killed Iranian Maj. Gen. Qasem Soleimani. The World's Marco Werman spoke with Fabrice Pothier, a French diplomat who served as head of policy planning for two NATO secretary generals.

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