Friday, December 27, 2019: Democratic Insiders Turn Attention to Sanders in 2020

President Trump says "The best is yet to come", adding talk of the growing economy to his rants about impeachment. The holiday is over for the 2020 candidates -- and as they return to the trail, Democratic insiders are buzzing about Bernie Sanders steady rise. And he's the man tasked with making sure the Senate's trial is fair. We'll look at Chief Justice John Roberts' role in impeachment. Today's panel: Seung Min Kim with The Washington Post, Sirius XM's Olivier Knox, Francesca Chambers with McClatchyDC, and CNN's Phil Mattingly. Also on the program: CNN's Ryan Nobles and Supreme Court Analyst Joan Biskupic

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