Top Ten By Roll Call Staff Posted May 2, 2008 at 12:00am Facebook Twitter Email Reddit CQ Politics’ Overview of the 2008 Congressional Contests Dems Field 9 of Top 10 Cash-Rich Challengers Recent Stories Election oversight continues to dominate, divide House Administration panel Tuberville blocks an Army nominee over Austin hospitalization Endangered incumbents tout earmarking prowess on campaign trail GOP leaders to roll the dice on doomed stopgap funds bill Congress honors 13 servicemembers killed as US pulled out of Afghanistan Capitol Ink | Legislative superhighway