Weekend Roundup

We begin this week's CBS News "Weekend Roundup" with the coronavirus pandemic. President Joe Biden says the nation's death toll is likely to hit 500-thousand by next month, adding that the country is on track to vaccinate 300 million Americans by July. CBS's Carter Evans reports. CBS's Meg Oliver has the latest on the coronavirus and the nation's schools. Meanwhile, CBS's Vicki Barker reports on the Covid-19 variant found in Southeast England. The second impeachment trial of former president Donald Trump began this week, where Democratic House impeachment managers showed disturbing footage of the deadly attack on the U-S Capitol January 6th. This as Mister Trump's defense team calls the article of impeachment accusing him of inciting that riot an "unconstitutional act of political vengeance. CBS's Nikole Killion joins Allison with more on the proceedings. CBS's Jeff Pegues has the latest on the lingering security concerns at the Capitol. John C. Yang, president and executive director of Asian A