Obama tries to put a number on the votes Limbaugh got for Clinton in Indiana:
"According to the latest exit polling data, 17% of voters in the Indiana primary today said they would vote for John McCain in a Clinton/McCain matchup. 41% of that number is constituted by people who voted Clinton in the primary but also indicated they will vote for McCain in the general election. That comes out to just under 7% of the primary electorate the number that may be attributed to a 'Limbaugh Effect.' "
The way things are going, if that's true it could be her margin of victory....