In 2012, Washington's bipartisan redistricting commission forged a rare compromise: they added a new Democratic-leaning 10th CD in the Olympia area while shoring up all four GOP incumbents. The 6-4 split looks durable, although 1st CD Democratic Rep. Suzan DelBene can't take her race against GOP retired Microsoft engineer Pedro Celis for granted. The 1st CD is in the Likely Democratic column.

However, most of the action should take place in the safely GOP 4th CD, where Rep. Doc Hastings is retiring. Thanks to Washington's top-two primary system, it's possible two Republicans could advance from the August 5 primary to the November election. The top contenders are former state Agriculture Director Dan Newhouse and former Senate candidate Clint Didier, but others are in the mix as well.

WA-01: Suzan DelBene (D) - Northwest: Redmond, Kirkland, Lake Stevens Likely Democratic. The suburban Seattle 1st CD used to be a safe Democratic seat until a 2012 redistricting compromise stretched it north all the way to the Canadian border. Under the new lines, 41 percent of the vote is in Democratic-leaning King County (including

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