The latest news on Braley, Bruce
Senator Tom Harkin leaves hole in Iowa's Senate delegation as a long list of potential candidates emerges.
Groups are fighting for support of GOP Rep. Mike Pence's measure, which cuts off funding to Planned Parenthood.
While many top super PACs favor Democrats, Karl Rove's group has outspent them all.
Groups flush with coin and agendas are flooding voters with a plethora of ads.
Allied outside groups also make final push to Election Day.