Chief Justice of the United States John Roberts will visit the University of Louisville later this month.Roberts will speak on April 18 as part of the U of L McConnell Center lecture series. After some opening remarks, he'll take part in a panel discussion.The event was originally set for last fall but was delayed by Roberts because of a scheduling conflict.All of the tickets for the 10:00am talk, in the Cardinal Arena at the Swain Student Activities Center, have been distributed, but it will be streamed live on the McConnell Center's website.