The 5 principles Trump should have considered before attacking Iran

The Iranian conflict spotlights five principles a U.S. commander in chief should always consider before deciding to use his military: Take the eight-year Iraq War, with similar goals of “regime change” and removal of weapons of mass destruction (WMD) as in today’s Iran conflict. Finding no WMD, the elimination of Saddam Hussein stopped him, but also created Iraq’s Islamic State that soon metastasized throughout the Middle East and into Africa. Regrettably, it also freed up Saddam’s ardent foe — Iran — to spur terrorism throughout the region without having “fixed” Iraq. The fourth principle is: The enemy always gets a…