SPRINGFIELD — Illinois Attorney General Kwame Raoul was the keynote speaker at state Treasurer Michael Frerichs’ Black History Month Celebration on Wednesday at the Capitol rotunda.As a special guest, Lt. Gov. Juliana Wiggins Stratton also gave a short speech at the end of the event.The Association for the Study of African American Life and History is the organization that founded Black History Month, and each year it sets a theme. This year’s is “Black Migrations.”Honoring the theme, Raoul …