Dino Rossi to run for US Senate - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Dino Rossi to run for US Senate

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WASHINGTON--  Republican Dino Rossi made it official Wednesday-- he's running for US Senator and looking to unseat democrat Patty Murray. 

Rossi may be best known for his close races for Governor against Christine Gregoire.  Rossi's decision to run may influence who stays in the race.

"For those candidates already running, it gives them a serious pause to consider whether or not they have to stay in," says Patrick McBurney, with the Benton County GOP.

Pasco farmer Clint Didier, who is also running as a Republican, released a statement in response to Rossi's announcement, saying he welcomes the challenge.

Senator Patty Murray also says she's looking forward to this year's election. 

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