Twelve days before precinct caucuses bring the presidential sweepstakes to Minnesota, two of the campaigns began visibly stirring Thursday.
Barack Obama's Minnesota campaign began airing TV and radio ads from now until the Feb. 5 caucuses, the first campaign in either party to do so.
Other campaigns that could be reached Thursday -- those of Hillary Clinton, Rudy Giuliani, John McCain and Ron Paul -- said they had no immediate plans to take to the airwaves.
But the Clinton campaign also turned up the heat in Minnesota on Thursday, holding rallies at the State Capitol and in Rochester and Duluth designed to tout its "momentum" in the state.
Campaign officials unveiled the names of 50 prominent public officials, union members and DFL activists, who were backing Clinton, underscoring the fact that the campaign has corralled much of the state party establishment, as it has nationwide.
"We're focusing on letting people know Senator Clinton has wide, deep and broad support," said Hubert (Buck) Humphrey, the campaign's state director. "This campaign is really going."
Helping unveil Obama's ads was Rep. Betty McCollum, who said, "We've known all along that Minnesota would be an important state on February 5 and the Obama campaign is investing in this state."
Although Minnesota has long been a backwater in the presidential nominating process, its caucuses have gained importance this year because they will be held on what has become a de facto national primary day, with 24 states holding primaries and caucuses.