In observance of Black History Month, North Central College's Black Student Association presents a talk by professor, author and cultural critic Marc Lamont Hill at 6:30 p.m. Tuesday, Feb. 28, in Smith Hall, second floor of Old Main, 30 N. Brainard St., Naperville. This event is free and open to the public. During his talk, "Building Community in an Hour of Chaos: Progress in the Age of Obama," Hill will analyze the current social and political environment and will identify key issues, challenges, controversies and trends that have emerged during the "Obama era." He will also discuss solutions and possibilities to mitigate ongoing problems in national, local and university communities.