'The basic problem: There’s almost no chance that North Korea will agree to the kind of verifiable denuclearization that Trump talks about. The danger is that if a summit collapses, there’s no room to restart the process with lower-level diplomats, and thus, the risk of military conflict soars because all alternatives seem exhausted. Trump’s snap decision to accept Kim’s invitation to meet underscores the risk of a mercurial president leaping into actions — one of the reasons we got into the mess in Iraq. The temptation to fire missiles at North Korea or Iran may also be particularly great for a president seeking to distract from Mueller's investigation. These fears of conflict are broadly shared by many foreign policy analysts across the spectrum. A recent Pew survey found that 43 percent of Americans still believe that invading Iraq was the correct decision.' No learning there!