View Post PBS | SportsNewser PBS’ ‘Frontline,’ ESPN’s ‘Outside The Lines’ Partnering To Investigate NFL Concussions By Alex Weprin on Nov. 16, 2012 - 11:48 AM PBS longform journalism series “Frontline” and ESPN’s investigative series “Outside The Lines” are partnering up to investigate concussions in the NFL. The series kicks off today with a segment on ...