By Matt SpetalnickWASHINGTON, Sept 10 (Reuters) - When Donald Trump campaigned for a second term in the White House, he promised to be a “president of peace” who would stop foreign wars, not start them. Now, a quarter-century after the September 11, 2001, attacks that triggered America’s global “war on terror,” he is entangled in an unpopular conflict of his own making that analysts say risks becoming his version of a “forever war."

The odds of a new forever war are looking increasingly likely.

As the 9/11 anniversary approaches, Trump’s conflict with Iran is being likened to the divisive wars in Afghanistan and Iraq, raising concerns about whether the U.S. has failed to…