Politics | TechnologyPolitical junkies and regular voters from both parties can cross the great aisle of division, and unite around an iPad app that dishes up politics evenly. Just download the free Washington Post Politics App and leap into the campaign season with gusto. The app, launched earlier this year, offers terrific photos, graphics, and animation of everything political.  It features news and analysis, interactive maps with state-by-state polls, historical election results, campaign ads and candidate issues at-a-glance. It also contains, my …