The Post’s Dan Balz: What to look for in the final 100 days

Jul. 28, 2012 - The Post’s Dan Balz says the final 100 days of campaigning - which include the Republican and Democratic conventions, three presidential debates and Republican presidential hopeful Mitt Romney’s selection of a running mate - could likely decide the winner of the November election. More: What will shape the end of the campaign? (Dan Balz and JulieAnn McKellogg/The Washington Post)