ARIZONA: “Former Rep. Ann Kirkpatrick says she’s running to win back the congressional seat she lost to tea party favorite Paul Gosar in last fall’s election,” AP reports.

"Representative Gabrielle Giffords is still in the hospital, but some of her most ardent backers are so enamored of the idea of her running for the Senate that they describe the inevitable campaign commercials: the deep-voiced narrator recounting what happened to her, the images of her wounded, then recovering and speaking into the camera alongside her astronaut husband to call on Arizonans to unite," the New York Times front-pages.

INDIANA: Stu Rothenberg in Roll Call: “Six-term Indiana Sen. Dick Lugar ended 2010 with more than $2.3 million in the bank. Unfortunately for Lugar, his war chest is about the only reason to think that he might have a chance of winning a seventh term next year.”

Meanwhile, “Rep. Joe Donnelly (Ind.) has been hinting to local press that he would mount a bid against Sen. Dick Lugar (R) instead of running for governor as many had expected.”

NEVADA: “A poll conducted for Rep. Shelley Berkley found the Democrat running relatively even with Republican Rep. Dean Heller in a potential Senate matchup, the Las Vegas Sun’s Jon Ralston reported,” per Roll Call. The numbers: Berkley 42%, Heller 38%.