Shirley is a 23-year-old self-described "independent YouTube journalist" who made prank videos in high school before pivoting to politics. He participated in a White House roundtable in October.

The athleisure brand is accusing Costco of selling knockoffs of several of its signature designs and offering them at a lower price under the wholesale club giant's Kirkland Signature brand.

The Department of Health and Human Services is ending a $766 million contract with the vaccine company Moderna to develop an mRNA vaccine for flu strains with pandemic potential, including…