legislation. >> reporter: beyawn say and jay-z came out to stand with trayvon martin's mother, sybrina fulton. and friday night, jay-z and justin timberlake ended a yankee stadium concert dedicated the song "forever young." ♪ ♪ i want to be forever young ♪ brianna keilar joins me now from washington. so, is the administration likely to do anything in the wake of this case? >> a lot of folks, carol, in those rallies, as well as on the white house website. thousands of people calling for federal charges against george zimmerman. you've seen hundreds of thousands of people sign on to an naacp petition asking the federal government to get involved in the civil rights