Moderna has asked U.S. regulators to authorize low doses of its COVID-19 vaccine for children under six. When can we expect a decision from the F.D.A.?The top infectious disease expert in the U.S., Dr. Anthony Fauci, was forced to clarify remarks he made earlier in the week about the pandemic. On Tuesday, Fauci told the PBS NewsHour "we are out of the pandemic phase". On Wednesday, he told 1A he misspoke and that "the pandemic is not over."United Nations Secretary-General Antonio Guterres has called war in Ukraine both "evil" and "unacceptable" after seeing for himself the damage done by Russia on the outskirts of Kviv.Also this week, Russia Foreign Minister Sergei Lavrov warned the West not to underestimate the possibility of a nuclear confrontation.And President Biden requested another $33 billion in emergency aid for Ukraine during a speech on Thursday.We cover all this and more during the News Roundup. Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.