Fresh Off His U.S. Senate Election, Republican Cassidy Vows to Fight Obama's Policies

(TheBlaze/AP) — Republican Bill Cassidy said he will use his new Louisiana Senate seat to continue fighting President Barack Obama's policies.

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The senator-elect said on Fox News Sunday that Republicans are best for working-class Americans — and that Democratic policies on health care, energy and immigration are wrong and kill jobs.

Cassidy defeated Democratic Sen. Mary Landrieu in Saturday's runoff with 56 percent of the vote.

"It is the exclamation mark on the message the American people sent on November the fourth," Cassidy said of his victory. "The American people do not like the agenda that Barack Obama has staked out for our country."

Cassidy's victory will give Republicans a 54-seat Senate majority in January. In the House, the GOP will have its largest majority since Democrat Harry Truman was in the White House after World War II.

And the GOP will hold every U.S. Senate seat and governor's chair from the Carolinas to Texas.

This story has been updated.