It's probably a bid for Wisconsin and momentum.
The three states get Obama to 271 electoral votes, enough for a victory.
But Romney did well in the national polls.
The 9 battleground states are so diverse that movement among demographic could change the election.
Obama is struggling in states where he was most dependent on support of whites--except for Ohio.
Will last night's debate move the polls?
Actually, it's Romney who may want to start spending less money in Florida.
Although Ohio is close, Obama's lead is relatively clear.
Obama's chance at a surprise win rests on a strong ground operation.
The nine battleground states aren't created equal -- Romney and Obama are stronger in some than others.