Sunday, March 21: President Biden grapples with a growing humanitarian crisis on the border

The White House said this week that it reached its goal of 100 million vaccines administered ahead of schedule. That, as top officials grapple with another crisis: thousands of unaccompanied children are arriving at the border, threatening to overwhelm facilities. 

Plus, after 8 people -- including 6 Asian women -- were shot to death in the Atlanta-area, a new focus on anti-Asian American violence and hate crimes across the country.

And, Republican Mayor John Giles of Mesa, Arizona explains why he supported the just-passed $1.9 trillion relief package and how it will help his city recover.

On today's show: CNN's Kaitlan Collins and Perry Bacon Jr. of 538; Nicole Hong of the New York Times; Mesa Mayor John Giles (R); Republican Strategist Scott Jennings and Former Deputy Chief of Staff to Sen. Harry Reid and author of "Kill Switch: The Rise of the Modern Senate and the Crippling of American Democracy" Adam Jentleson

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