The president takes on terrorism, at home and abroad. And his would-be successors, take him on. Shorenstein Center Fellow David Ensor(@DavidEnsor_), Newton Mayor Setti Warren(@MayorWarren) and Islamic Society Of Boston Cultural Center Executive Director Yusufi Vali(@YusufiVali) weigh in. 

The great debate over tobacco. Should we make it 21-plus? MGH Pediatrician Jonathan Winickoff and Brennan's Smoke Shop Owner Geoff Yalenezian(@geoffsmokes) discuss.

And WGBH's Adam Reilly (@reillyadam) goes hunting for deer hunters in the Blue Hills.