Pfizer and BioNTech are asking for emergency use authorization for their two doses of the Covid-19 vaccine for children ages 6 months to 5 years. The FDA is set to meet on February 15 to discuss whether or not to authorize the vaccine for those children under 5. Former CDC Director Dr. Tom Frieden joins AC360 to discuss why he is cautiously optimistic about the next few months on the Covid front.

Plus, CNN’s Chief International Correspondent Clarissa Ward got rare access to the Ukrainian front lines where just 20 miles away, thousands of Russian troops have gathered with tanks and other armor. She tells Anderson Cooper about the little sense of urgency she’s seeing from the Ukrainian troops.

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