Sen. Jim Bunning (R-Ky.) is retiring and there are competitive Democratic and Republican primaries on May 18 to decide the nominees for the November race to succeed him.

Roll Call reporter John McArdle and photographer Tom Williams traveled to the Bluegrass state to get a sense of where the races stand. Watch the video primer above, and click the links below to read their stories and view more photos from Kentucky.

– Story: Democrats Mining Eastern Kentucky for Votes

– Slide show: Hillbilly Days

– Story: Kentucky Battle Tests Old GOP Home

– Slide show: Tax Day in Kentucky

Go back to Roll Call’s video page.