PHILADELPHIA -- Mitt Romney's aides soft-pedaled his latest tax pronouncements on Monday, insisting he wasn't tipping his hand when he told donors privately that he might seek to end the tax break for mortgages on second homes and curb other deductions for the wealthy as part of tax reform. "He was just discussing ideas that came up on the campaign trail," said former Sen. Jim Talent of Missouri, a frequent campaign surrogate. The remarks, made at a closed-door fundraiser in Florida and overheard by reporters, did not mark any "change in policy," Talent said on a conference call with reporters....