On August 12 , 2008 , Leach broke party ranks to endorse Democrat Barack Obama over fellow Republican John McCain in the 2008 U.S. presidential election . He spoke at the 2008 Democratic National Convention in Denver , Colorado , on the night of August 25 , 2008 . He was introduced by Senator Tom Harkin , a fellow Iowan
2008 Democratic National Convention
2008 Democratic National Convention
Jim Leach