
To win the White House, a presidential candidate must attain 270 Electoral College votes. Political strategists on both sides agree that President Barack Obama and presumptive Republican nominee Mitt Romney already have 80 percent of the American electorate locked up. The battle for the remaining 20 percent will come down to a handful of states across the nation: Voters in Virginia, Ohio, Iowa and North Carolina will likely determine America’s next president. New data show unemployment falling in several crucial swing states, while home values are rising in Nevada and Florida. And in Arizona, opposition to a new immigration law has galvanized Latino voters. Diane and guests discuss the role of the battleground states in the 2012 presidential election.

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