U.S. Rep. Darrell Issa, R-Vista, endorsed former Massachusetts Gov. Mitt Romney for president on Thursday, a month after assailing his chief rival in a speech in San Diego. Romney has garnered support from a growing number of congressional Republicans as he battles with Texas Gov. Rick Perry, front-runner for the party nomination according to most polls. “As someone who shares my background in business, Congressman Issa understands that we need to make fundamental changes in Washington,” Romney said in a statement. “I am proud to have his support and look forward to working with him as I campaign in California...