BOISE, Idaho (AP) — U.S. Sen. Jim Risch voted against President Obama's proposed strike against Syria's chemical weapons infrastructure, underscoring skepticism among Idaho lawmakers in Washington, D.C., about the plan.

The measure passed 10-7 Wednesday in the Senate Foreign Relations Committee, moving it to the full Senate floor. In addition to Risch's opposition, Idaho U.S. Sen. Mike Crapo and Reps. Mike Simpson and Raul Labrador also have expressed wariness such a strike would enhance U.S. power or bring a swifter end to Syrian President Bashar Assad's regime.

Obama says Assad's government was responsible for numerous gas attacks, including one Aug. 21 said to have killed 1,429 people. Republicans including House Speaker John Boehner support a strike. Though Simpson is usually a Boehner ally, the Idaho Republican's spokeswoman said he's "strongly leaning against supporting military action."

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