On this week's Fallon Forum, Ed Fallon discusses: (01:38) As impeachment grinds on, who wins, who loses? with Joseph Glazebrook; (22:36) Climate update: Harvard v. Yale; Key Largo flooding; (36:19) Caucus update: Biden's Iowa trajectory not looking good; (48:15) Hats, gloves, scarves appear on Des Moines trees, lampposts.