What will the Alabama outcome mean for Senate Republicans?

Aired: 12/4/2017 | 0:07:43 | Clip
President Trump called Alabama Senate candidate Roy Moore to endorse him in the upcoming special election, despite allegations of sexual assault. John Yang talks to Tamara Keith of NPR and Amy Walter of the Cook Political Report about Moore’s rising poll numbers, how the House and Senate are hammering out tax plan details and whether Democrats are using the Russia probe in campaigns.