The Minnesota congresswoman's online ad attempts to cast her GOP rivals as crazy losers.

But the second part is more problematic, as it seeks to highlight the theatrics and flip-flopping of other GOP rivals.

His core strengths are better suited to the kind of campaign a Republican will have to run against Obama than the one he has to run against his GOP rivals.

His campaign mounted a sunny, Morning in America-style ad blitz, while super PACs founded and directed by longtime Romney loyalists buried the governor's GOP rivals in televised slime.

But at the same time, they knew that Bush had more money to spend and incomparably more state-by-state organization than any of his GOP rivals, to say nothing of the fabled Brown Brothers Harriman media edge.

The RLC ad says Forbes "hurt the Republican Party" in 1996 and will "help the Democrats" in 2000 by criticizing his GOP rivals.

In the 2012 general election, Oberweis won the 25th State Senate seat previously held by Chris Lauzen, his former GOP primary rival in the 2008 congressional race.

Poll results showed that Sen. Obama won all three debates against his GOP rival; 51, 54 and 58 percent of respondents believing Obama came out on top in the three debates in CNN polls [source: CNN].

He argued that a protracted battle between him and his GOP rivals would weaken the party, that he needed to ".

The Romney campaign sees weakness in their GOP rivals (who wouldn't?)