Harvard Kennedy School Professor Stephen Walt(@stephenWalt) and Former US Delegate to the UN Human Rights Commission Jeff Robbins (@jeffreysrobbins) debate the pros and cons of the Iran Nuclear Deal. 

WGBH's Adam Reilly (@reillyadam) catches up with Republican presidential hopeful Scott Walker in New Hampshire. 

Bay Windows Co-Publisher Sue O'Connell (@sue_oconnell1), CEO of Phantom Gourmet Dave Andelman (@PhantomGourmet), and Stand-Up Comic Jimmy Tingle(@JimmyTingle) face Jim's buzzer as they debate the sales tax holiday, reinstating happy hour, and Boston 2024.