Boston GlobeDecision comes two weeks after Democrat Robin Carnahan announced bidCNN InternationalBy Alex Mooney (CNN) -- Missouri Rep. Roy Blunt Thursday announced his intention to run for a seat in the US Senate, a move that sets up what is likely to be a showdown between two prominent families in one of the country's most politically divided ...Congressman Roy Blunt announces run for US Senate Missourinet.comAnother Heavyweight Punches into 2010 Senate Race KOMU-TVKansas City Star - USA Today - FOXNews - KTTSall 152 news articles