As the last four standing duke it out in Miami tonight at 9:00 p.m. EST, be sure to follow these TNR writers on Twitter for live analysis and commentary:
Noam Scheiber: @NoamScheiber
Walter Shapiro: @WalterShapiroPD
Matt O'Brien: @obsoletedogma
Ed Kilgore: @ed_kilgore
And, of course, the official TNR twitter feed: @TNR