The leaders of Minnesota's major political parties have had two weeks to mull over the meaning of this year's election results -- and the meaning of Jesse Ventura's surprise victory, in particular. In the DFL party, there seems to be a growing consensus (that) change would do the party good -- but there's little agreement so far about what kind of change. Minnesota Public Radio's Martin Kaste reports: There's been no shortage of post-election mea-culpas in the Republican and DFL parties since the morning after Ventura's big win -- both sides talked about how they needed to listen more closely to "the message" being sent by the voters. But what message, exactly, are the two big parties hearing? DFL chairman Dick Senese still admits to being baffled: ((SENESE: Voters who -- as someone who grew up on