The Senate is staying in town in hopes of passing a war funding and border security package by Christmas, but the politics of immigration pose a major stumbling block. CQ Roll Call's David Lerman, Aidan Quigley and John M. Donnelly assess the chances of a bipartisan deal and the obstacles that lie ahead for passage. Show Notes: Senate will be in next week as border talks pick up steam Senators look ready to leave town as border talks inch along No deal yet but border negotiators report progress