In many ways, the November 4 general election will be a referendum on President Obama, even though his name won't appear on any ballot. The mid-term election has seen congressional races turn into contests of how much disagreement or distance candidates can achieve from the President who faces slumping approval ratings over intensified terrorist threats abroad and the specter of the Ebola virus spreading here.
The Pacific Northwest is no exception. Oregon Senator Jeff Merkley, thought at one point to be the most vulnerable member of the region's delegation, invited Vice President Joe Biden and Senator Elizabeth Warren to barnstorm for him, not Obama. And recent polls show Merkley has a double-digit lead in his re-election bid.
Here is a quick overview of the election: