I agree.
The Democrats have a history of setting aside major differences in order to win elections. Republicans are the ones who splinter.
Dems also know how to use wedge issues to their advantage. Republicans have a history of giving Dems those issues.
Vitter went down because of his personal life. Compare/contrast with how the Dems idolize Bill Clinton. That sums it all up.
Good point, everyone thought Vitter had survived the prostitution scandal, but it was there all along for one daring enough to use it. Vitter must have thought it was over too and that he could coast to the governorship; yet he was his party’s only statewide candidate to lose. He ignored Edwards in the primary; he counted his eggs before they hatched.