Sen. John McCain, R-Ariz., charged on Friday that the mistreatment of Iraqi prisoners by U.S. military guards has compromised the entire war effort in Iraq, saying that combat soldiers "fighting and dying" in the war on terror are also now under a cloud of suspicion. "So many brave young Americans who are fighting and dying are under this cloud," McCain claimed during Senate testimony on the prison abuse scandal, contrary to the contentions of even most of the war's critics, who say the scandal reflects on the perpetrators of the abuse alone. The maverick Republican contended also that the...