Bolton beats war drums in US-Iran standoff

War drums are beating louder in Washington's long-festering standoff with Iran and National Security Advisor John Bolton, a veteran champion of regime change, is the bandmaster.With his bushy mustache and beloved yellow legal pad, Bolton cuts a colorful figure at the White House.President Donald Trump ran on the promise to pull the United States out of unwinnable post-9/11 wars -- from Afghanistan to Syria -- that have consumed American lives and military budgets.