Deep-pocketed outside groups are launching an ad onslaught against Democrats in high-stakes Senate races

Seven Democrats in the 10 most competitive Senate races started this month and the home stretch to Election Day with bigger cash stockpiles than their Republican rivals, newly filed campaign finance reports show.

​Seven Democrats in the 10 most competitive Senate races started this month and the home stretch to Election Day with bigger cash stockpiles than their Republican rivals, newly filed campaign finance reports show.