SCOTTSDALE, ARIZ. — Many Republicans, with eyes trained on the presidential election in 2016, have sorted through the wreckage of the 2012 elections to figure out how and why the GOP suffered such heavy losses, including the White House. But at the Republican Governors Association conference in Arizona on Wednesday, one theory dominated at an early panel discussion: That the X-factor Republican presidential nominee Mitt Romney lacked might have been a more compassionate tone. "People have to know that you care about them," said Ohio Gov. John Kasich, one of the governors believed to be weighing a presidential bid in...