FARGO — North Dakota State University officials are investigating after complaints about a skit in which a black-faced white student portrayed Barack Obama receiving a lap dance. Presidents of the NDSU Saddle and Sirloin Club and sorority Alpha Gamma Delta publicly apologized for the skit at an NDSU town hall meeting this week. The skit was performed March 18, for 500 people at the Mr. NDSU Pageant, which raises money for diabetes research. People who attended said a pageant contestant from Saddle and Sirloin dressed as a woman from the Internet video "I Got a Crush on Obama" and performed...