Santorum Says He Would Enforce US Obscenity Laws That Obama Ignores By NBC's Andrew Rafferty ARLINGTON HEIGHTS, IL -- Rick Santorum accused President Barack Obama of not enforcing the country's obscenity laws and said Friday that as chief executive he would crack down on illegal pornography. Santorum found himself answering pornography questions during a stop at an Italian restaurant here after the discovery of a statement posted in his campaign website in which he asserts that "America is suffering a pandemic of harm from pornography." Recent reporting has shed light on the letter in which the former Pennsylvania senator vowed...