Who would confess to a rape-murder they didn’t commit?  The public finds false confessions hard to understand, but this phenomenon is part of about 20% of DNA exonerations. PBS’ Frontline will examine false confessions on Tuesday, November 9, 2010 from 9:00 – 10:30 p.m. ET (check your local listings for PBS station information).  The Frontline documentary, entitled “The Confessions,” looks at the wrongful convictions of four Navy men for the rape and murder of a woman in Norfolk, VA. The show contains the first interviews with the Norfolk Four and details the high pressure interrogation tactics that led them to…