28 FEBRUARY 2012 - PHOENIX, AZ: MATT ROMNEY, a son of Republican Presidential candidate Mitt Romney, works the crowd during a Romney election watch party in a hotel ballroom in Phoenix. Several hundred Romney supporters crowded into a ballroom in a Phoenix hotel to watch primary results from Michigan and Arizona. Romney won the night, scoring a tight win in the Michigan Republican Presidential primary and a comfortable win in the Arizona Republican Presidential primary. PHOTO BY JACK KURTZ