Florida and Ohio are virtual must-win states for the GOP candidate.
Read more...INTERACTIVE GRAPHIC: The 2012 election compared with the 2008 results.
Read more...INTERACTIVE GRAPHIC: The battleground states and why they matter.
Read more...No Republican has ever won without carrying Ohio.
Read more...The Cheeseheads lean Democratic. Will they this year?
Read more...Pennsylvania is an increasingly safe state for Obama.
Read more...A small state with a big impact.
Read more...North Carolina is the face of the changing South.
Read more...Each vote goes a little further in the high-elevation state.
Read more...The evolution of Virginia's electorate.
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