Where Trump's Summit With Putin Fits As A Historical Moment

President Trump meets with lawmakers Tuesday as he deals with fallout from Monday's closed-door talks and joint press conference with Russian President Vladimir Putin in Helsinki.

Hosts Robin Young and Jeremy Hobson take a look at the significance of the summit and what it might mean for the future with Here & Now security analyst Jim Walsh (@DrJimWalshMIT) and Julian Zelizer (@julianzelizer), professor of history and public affairs at Princeton University and a CNN political analyst.