With Barack Obama and John Edwards absent from Tuesday’s Democratic primary ballot in Michigan because of a dispute over the date of the primary in this state, some are calling for Democrats to cross over to vote for the Republican they’d most like to fight against in the general election.

Markos Moulitsas, the blogger turned Democratic power broker, issued a call on his website, DailyKos, for Democrats to do what the law allows in Michigan and cross over to vote in the Republican primary instead of the Democratic primary. Noting that the Republicans have done this to the Democrats in the past, such as in 1972 when one-third of those who voted in the Democratic primary were actually Republicans voting for segregationist George Wallace, Moulitsas urged his fellow Democrats to return the favor:

For Michigan Democrats, the Democratic primary is meaningless since the DNC stripped the state of all its delegates (at least temporarily) for violating party rules. Hillary Clinton is alone on the ballot.

But on the GOP side, this primary will be fiercely contested. John McCain is currently enjoying the afterglow of media love since his New Hamsphire victory, while Iowa winner Mike Huckabee is poised to do well in South Carolina.

Meanwhile, poor Mitt Romney, who