There was a time when "Medicare for All" was not a part of Sen. Elizabeth Warren's presidential campaign. It was March.

In 2008, psychologists proposed that when humans are shown an unfamiliar face, they judge it on two main dimensions: trustworthiness and physical strength. These form the basis of first impressions, which may help people make important social decisions, from whom to vote for to how long a prison sentence should be.

Democrats are on track to impeach the president by the end of next week. After more than 14 hours of consideration Thursday, the House Judiciary Committee is expected to approve impeachment articles against President Trump Friday morning.

Tucked inside a must-pass defense bill expected to make its way through the Republican-controlled Senate next week is a sweeping policy change: 12 weeks of paid parental leave for all 2.1 million federal employees.

It's not a surprise that Carolyn Maloney, the Democratic congresswoman from New York, would be celebrating the move. She's been working to get it passed for two decades, after her own experience in the workplace.

Updated 3:45 a.m. ET

British voters have delivered a stunning victory to Prime Minister Boris Johnson and his Conservative Party, giving the champion of Brexit a large majority in the House of Commons and the support he needs to take the United Kingdom out of the European Union in January.