Imagine the audacity of a freshman senator presuming to speak out forcefully on foreign affairs! What? You thought we were alluding to Barack Obama, who after less than a year in the Senate and with no discernible foreign policy credentials began a campaign to become Commander-in-Chief? No, no, no! We were talking about Tom Cotton, of course! On today's Morning Joe, Mika Brzezinski castigated Cotton as a "toddler" and a "fool" for writing that letter to Iran. For good measure, Al Hunt said that America has its "crazies" just like Iran has its "crazies." Did Hunt just equate Republican senators...