It's pretty much a given that the Tea Party cost Republicans the Senate seats in Nevada and Colorado this week. We have some data from ...

Barack Obama won the national popular vote by about 7 points in 2008. Republicans look to have won the national House vote by about 7 point...

Below is a chart looking at the favorabilities (or approvals for current office holders) of the 31 Gubernatorial candidates included on our ...

Below is a chart looking at the favorabilities (Or approvals for current office holders) of the 32 Senate candidates included on our final 1...