Analysis: Bin Laden and U.S. Politics U.S. forces step up their effort to capture or kill Osama bin Laden, a move critics say is driven by election-year politics. While many believe President Bush's approval ratings would go up if Bin Laden were taken, political observers differ on when his capture would most help Bush. A veteran Republican strategist says now is the best time to catch Bin Laden. NPR's Mary Louise Kelly reports.