Rick Santorum won’t be winning any delegates in four of Illinois’ 18 congressional districts next month. But, at least in the 13th District, it won’t be because he didn’t try. Former senator Rick Santorum (R-Pa.). (Julie Denesha/Getty Images)On Jan. 6, the state filing deadline, a Santorum volunteer had brought to the board of elections an envelope containing nominating petitions for a slate of three Santorum delegates in the 13th, the State Journal-Register reports. But the petitions were never submitted. A volunteer inadvertently failed to take them out of the envelope, the Journal Register reports, and the envelope wound up in...