On a conference call with reporters, Axelrod and Messina raise the curtain on the size of Chicago’s latest ad flight, including a positive spot released Monday.

ALSO: Pair tee off on Romney’s time as MA Guv, say, “We probably won’t see any ads this cycle that talk accurately about his record because he has absolutely nothing to say.”

Axelrod adds the Obama campaign “will treat every ad from Republican Super PACs as an ad from Governor Romney.”

Listen to the entire call above.