Former Texas Gov. Rick Perry lashed out at fellow Republican presidential candidate Donald Trump on Sunday over “offensive” comments the real estate mogul made about Sen. John McCain (R-Ariz.). Trump questioned McCain’s status as a war hero over the weekend — but the gaffe could cost him with an important base of Republican voters: military veterans. Perry, who served in the Air Force, called Trump’s comments a “bullet that went through John McCain and hit a lot of us that were in the uniform of this country.” Trump taunted McCain on Saturday at the Family Leadership Summit in Ames, Iowa....