On The 21st: SIU is launching an internal investigation into a researcher who injected patients with an unapproved herpes vaccine. Plus, we learn the history of a house in southern Illinois whose owner kidnapped free black men and women -- and sold them back into slavery in Kentucky. But first, we preview the State of the Union with Republican Rep. John Shimkus, and a representative who is boycotting the event, Democratic Rep. Jan Schakowsky.