President Donald Trump has bragged about how his ongoing war in Iran is so far shorter than the Second World War, the Vietnam War and the Korean War. The war in Iran began more than nine weeks ago on February 28 after the U.S. and Israel launched joint missile strikes, pounding the Middle East nation and assassinating Supreme Leader Ayatollah Ali Khamenei. Trump’s graphic posted Wednesday night claimed the “Iran Excursion” had been going on for six weeks. “Wow. Study this Chart! President DJT,” the simple post read. It comes as the president has claimed the conflict will be “over quickly” and is going “unbelievably well,” while also warning that he could order “higher level” strikes if Iran rejects a peace deal.…