There’s a fine line between provocative and irresponsible, between speaking an inconvenient truth and spouting off in ignorance. Most columnists try very hard to stay on the right side of that equation. But there are some topics where you draw those lines depends on who you ask. 

PANELISTS

Callie Crossley  is the host of WGBH News'  Under the Radar .

Dan Kennedy  is an associate professor of journalism at Northeastern University.

Tom Fiedler  is the dean of Boston University's College of Communication.

Roy Harris is an author and journalist.