Tuesday, May 4,2021: Kevin McCarthy criticizes Liz Cheney on Fox News

House Republican Leader Kevin McCarthy says his members question whether Liz Cheney can carry out her leadership role as conference chair, while aides say she will not step down on her own.

Plus, the FDA plans to green-light the Pfizer vaccine for 12-15 year olds. Could even younger children be approved for the vaccine later this year?

And another House Democrat in a competitive seat announces he’s running for a different office. Can the Democrats keep their narrow majority in 2022?

On today’s program: CNN's Dana Bash, Priscilla Alvarez, Manu Raju and Sam Kiley.

Also on today’s show: Former Paul Ryan aide Brendan Buck, epidemiologist Jennifer Nuzzo; and Cook Political Report’s Amy Walter.

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