Week In Review: Politics, GE And Amazon, Boston Traffic

We review the major news stories of the week with our expert panel, including the president's declaration of a national emergency, the growing field of potential 2020 candidates, announcements from both GE and Amazon, and the increasing rush hour congestion in the Boston area.

Arline Isaacson, political consultant and co-chair of the Massachusetts Gay and Lesbian Political Caucus.

John Carroll, WBUR senior news analyst and blogger at "It's Good to Live in a Two-Daily Town." He tweets @john_r_carroll.