Audio Included in Post. Audio ©2010 WTLC/Radio One. Dan Coats, the Republican who used to hold Senator Evan Bayh’s Senate seat, is preparing to challenge the two term Democratic Senator. Coats issued a statement saying he’s creating an exploratory committee and getting signatures to place his name on the ballot. Afternoons with Amos talked with James Garrett, an African-American, who worked for Coats when he represented Indiana in the US Senate in the early 1990’s.