[1am eastern on Monday per Google] "The only thing I know to do is to do it over," Sen. Bill Nelson, Florida Democrat, who is pushing the mail-in option, told CBS' "Face the Nation." On ABC's "This Week" program Sen. Carl Levin, Michigan Democrat, said it's an option under consideration there, too.

"DNC Chairman Howard Dean called a mail-in vote "a very good process" that has been used elsewhere, both in similar "do-over" scenarios and in Oregon for its general election.

"It's one [option] that we discussed early on when we were negotiating with Florida hoping to head all this stuff off," the former Vermont governor said on CBS.

"Apart from the fight over Michigan and Florida, the Democrats' proportional delegate-selection process has resulted in a race where neither Sen. Hillary Rodham Clinton nor Sen. Barack Obama can pull clear of the other, and that may put the almost 800 superdelegates in the position of effectively choosing the party's nominee at the convention in August, regardless of the primary results." [...]