– Former Republican Sen. Norm Coleman threw support behind Jeb Bush's presidential bid Monday.

Coleman, a former one-term Minnesota senator, was previously supporting Sen. Lindsey Graham's presidential bid and running his super PAC. Graham ended his bid in December and in January said he was supporting Bush, a former Florida governor sagging in the national polls.

On Fox News on Monday, Coleman said that Bush is the one person "ready to be commander-in-chief on day one, the one person that put together in November, before Paris, before San Bernardino, a plan to defeat ISIS," he said, referring to the terrorist group.

"That's the issue," Coleman said. "National security is the issue."

A Star Tribune poll conducted Jan. 18-20 showed Bush was in fifth place among Republican presidential candidates, with 7 percent support among Minnesota voters. Florida Sen. Marco Rubio was the top pick of 23 percent of the state's voters, leading the pack.

Allison Sherry