Gingrich: Though he's promised a fight all the way to the convention in Tampa, Newt Gingrich told a Wisconsin radio station that Mitt Romney "is clearly the front-runner" and "will probably" win enough delegates to secure the Republican presidential nomination.
Wisconsin: A new Rasmussen poll in Wisconsin finds Mitt Romney with a ten point lead over Rick Santorum in next week's GOP presidential primary, 44% to 34%, with Newt Gingrich and Ron Paul each at 7%.
More Wisconsin: Wisconsin Sen. Ron Johnson endorsed Mitt Romney on Sunday ahead of Wisconsin's primary. Johnson's endorsement follows fellow Wisconsin lawmaker Rep. Paul Ryan, who announced his support for Romney last week.
Massachusetts: A new Boston Globe poll finds Sen. Scott Brown edging challenger Elizabeth Warren in the U.S. Senate race, 37% to 35%, with another 26% still undecided. Both candidates are doing well among the voting blocs each needs most: Brown outpaces Warren by three to one among self described independents, while Warren holds a better than three to one lead among those who identify themselves as conservative and moderate Democrats.
AZ-2/8: State Sen. Paula Aboud will not run for the full term of Rep. Gabby Giffords seat, and threw her support behind former Giffords staffer Ron Barber. Barber has the Democratic nomination for the special election to himself, but will face state Rep. Matt Heinz for the full term. Those running for the GOP nomination include veteran Jesse Kelly, veteran Martha McSally, college sports broadcaster Dave Sitton and state Sen. Frank Antenori.
MD-6: Former President Bill Clinton has recorded robocalls on behalf of businessman John Delaney in the Maryland 6th district primary. Senate Majority Leader Rob Garagiola started the race as the heavy favorite, observers are now calling the race a tossup.
MI-14: Many in the African American Democratic establishment are backing the white candidate, Rep. Gary Peters, over Rep. Hansen Clarke. The Wayne County Democratic Black Caucus endorsed Peters on Thursday. Part of Clarke's problem may stem from his winning a primary run against former Rep. Carolyn Cheeks Kilpatrick, which angered many African American power brokers in the Detroit Democratic establishment.
RI-1: Independent Gov. Lincoln Chafee has endorsed Rep. David Cicilline for reelection. Surveys show Cicilline is Rhode Island's least popular leading politician. A February WPRI 12 poll put his job rating at 20% favorable. Cicilline is running against Republican Brendan Doherty, who retired as superintendent of the state police. Businessman Anthony Gemma, who came in second to Cicilline in the 2010 Democratic primary, is also expected to jump into the race next month.
South Carolina: Filing closed here last Friday. SC-2 Rep. Joe Wilson has no Democratic opponent. SC-1,3,4,5 freshman Republicans all have token Democratic opponents and are safe in the Fall. The new, open SC-7 seat will see 9 Republicans and 5 Democrats run. A runoff will most likely decide both nominations, with the Republican nominee favored in November.
WA-6: Retiring Rep. Norm Dicks has endorsed state Sen. Derek Kilmer to succeed him. Democrats in the district have quickly closed ranks behind Kilmer as the successor to Dicks, who has held the seat since 1976.
Wisconsin: Milwaukee Mayor Tom Barrett will run for governor of Wisconsin in this summer's recall election against Gov. Scott Walker. Before facing Walker, Barrett will have to face former Dane County Executive Kathleen Falk, a favorite of organized labor, in a Democratic matchup. The primary will take place on May 8, with a general election to follow on June 5.
Kansas: The Kansas Senate rejected the recently passed House congressional redistricting map that splits Topeka between districts. Senators said the House would have to start over from scratch. With both chambers seemingly unable to agree to a map, Court intervention may be the ultimate outcome here.
Redistricting Roundup: Ballotpedia is out with its final Redistricting Roundup. 41 of 43 states have now completed congressional maps, while 45 of 50 states are finished with their state legislative maps.