Jim Acosta @Acosta
Tons of news this Saturday. Joining me to discuss are @ASlavitt @neiltyson @brianstelter @amandacarpenter @DrLeanaWen @eliehonig @BillWeirCNN and the legendary Bob Costas. Plus a #HistoryOfSitcom chat with @MichaelGrossBiz and @MeredithBax from "Family Ties." Tune in 3p eastern! — PolitiTweet.org