CMT has announced several new programs to air this summer. CMT Greatest NASCAR Dominators, which features exclusive interviews with Bobby Allison, Dale Earnhardt Jr., Richard Petty, Darrell Waltrip and Cale Yarborough, debuts June 14. … Bill Engvall hosts the nine-episode series, Country Fried Home Videos, starting June 30. The show features homemade videos submitted from across the U.S. … CMT will film concerts by Dierks Bentley, Lynyrd Skynyrd and Hank Williams Jr. from the Milwaukee, Wis., music festival Summerfest. The one-hour specials, titled Toyota Presents CMT at Summerfest, will premiere July 14-16.