FILE - In this Oct. 21, 2015 file photo, New York City Mayor Bill de Blasio speaks during a media briefing in New York. De Blasio, a Democrat, announced during a Friday, Oct. 30, 2015 appearance on MSNBC's "Morning Joe" that he's backing Hillary Rodham Clinton for president.
FILE - In this Oct. 21, 2015 file photo, New York City Mayor Bill de Blasio speaks during a media briefing in New York. De Blasio, a Democrat, announced during a Friday, Oct. 30, 2015 appearance on MSNBC's "Morning Joe" that he's backing Hillary Rodham Clinton for president. Seth Wenig AP
FILE - In this Oct. 21, 2015 file photo, New York City Mayor Bill de Blasio speaks during a media briefing in New York. De Blasio, a Democrat, announced during a Friday, Oct. 30, 2015 appearance on MSNBC's "Morning Joe" that he's backing Hillary Rodham Clinton for president. Seth Wenig AP

New York mayor de Blasio endorses Clinton

October 30, 2015 2:44 PM