Sometimes there is a line that is crossed between what appropriate for comedy and what’s likely off limits. But did comic Christopher Titus cross that line? In an appearance on Monday’s “The Adam Carolla Show” podcast, Titus may have waded into that territory. In responding to a question about former Alaska Gov. Sarah Palin’s appearance on “Fox News Sunday,” in which Palin defended her interpretation of what happened during Paul Revere’s pre-Revolutionary War famous ride, Titus launched into a description of what he would do if Palin were elected. “You know what man?” Titus said. “I am going to literally...