Sen. Joe Biden, D-Del., says President Bush has no credibility among leaders of foreign nations when it comes to discussions of foreign policy. Biden, appearing on MSNBC’s "Imus in the Morning" show, said Bush lost credibility when weapons of mass destruction were not found in Iraq and his reluctance to apologize for "coming clean on Iraq” is hurting the nation’s reputation abroad. "The president has yet to be straight with the American people on what the deal in Iraq is,” Biden said. "All the way back since Abu Ghraib, the president has yet to be straight about the mistakes he...