[img]http://d.yimg.com/a/p/ap/20100701/capt.c26bbbc69757421b894125a5422bc7d9-c26bbbc69757421b894125a5422bc7d9-0.jpg?x=130&y=98&q=85&sig=SWc91OwqMRbO2eUyVuYAlw--[/img]AP - Hoping to breathe new life into the stalled immigration effort, President Barack Obama on Thursday blamed the delay on recalcitrant Republicans whom he said had given in to the "pressures of partisanship and election-year politics."