Rally organizers aim to chide U.S. Sen. Kay Bailey Hutchison for voting last week to end a procedural stalemate in the U.S. Senate. They say the Texas Republican's vote, related to a defense spending measure, helped clear the way for a Christmas Eve debate on the health-care legislation.
Hutchison was one of three Republicans who voted to stop a filibuster of the defense spending bill. She said the vote was needed to protect U.S. troops abroad. However, some conservative activists in the anti-tax "tea party" movement say she should have stuck with Republicans leaders trying to delay consideration of the health-care bill.
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Hutchison is challenging Gov. Rick Perry in the March Republican primary for the GOP gubernatorial nomination.