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A series of ice storms has resulted in closures, power failures, and scrambles to use warming vaccines. Re-openings result in confusion as COVID-19 cases decline. And the Biden White House prepares to admit thousands of asylum-seekers who have been waiting in Mexico.

In a legacy-defining moment, seven Republicans vote to convict former President Trump of inciting an insurrection. The acquittal leaves Trump free to run for office, prompting uncertainty within the GOP. And as teachers wait to get vaccinated, guidance from the CDC could mean schools remain half-full.

In a legacy-defining moment, seven Republicans vote to convict former President Trump of inciting an insurrection. The acquittal leaves Trump free to run for office, prompting uncertainty within the GOP. And as teachers wait to get vaccinated, guidance from the CDC could mean schools remain half-full.

House impeachment managers wrapped up their opening arguments with hours to spare -- so how will the defense respond? The Justice Department accuses "Oath Keepers" of preparing to send in their own army on January 6th. And this Lunar New Year, Asian American communities are responding to a rising series of racist attacks.

House impeachment managers wrapped up their opening arguments with hours to spare -- so how will the defense respond? The Justice Department accuses "Oath Keepers" of preparing to send in their own army on January 6th. And this Lunar New Year, Asian American communities are responding to a rising series of racist attacks.

In a potentially game-changing study, the CDC says that certain masking techniques could reduce your risk of COVID-19 exposure by up to 95 percent. Democratic impeachment managers reveal never-before-seen footage from January 6 to make their case. And President Biden prepares to sanction Myanmar military officers for their role in a coup.

In a potentially game-changing study, the CDC says that certain masking techniques could reduce your risk of COVID-19 exposure by up to 95 percent. Democratic impeachment managers reveal never-before-seen footage from January 6 to make their case. And President Biden prepares to sanction Myanmar military officers for their role in a coup.

In an emotionally-charged presentation, Democratic impeachment managers raise the stakes for jurors, while former President Donald Trump is said to be underwhelmed by his own team. A victim has died after a mass shooting at a Minnesota medical center. And nursing homes are fielding complaints from families, as vaccinated seniors are still being denied family visits.

In an emotionally-charged presentation, Democratic impeachment managers raise the stakes for jurors, while former President Donald Trump is said to be underwhelmed by his own team. A victim has died after a mass shooting at a Minnesota medical center. And nursing homes are fielding complaints from families, as vaccinated seniors are still being denied family visits.

The Senate is set to begin another impeachment trial of former President Donald Trump, this time considering whether he incited an insurrection before leaving office. President Biden expresses hope that 300 million Americans can get vaccinated by the end of the summer. And climate scientists are worried that mountain regions are becoming more prone to avalanches.