The program, “The Clay Travis & Buck Sexton Show,” will begin airing June 21 from 12 p.m. to 3 p.m., Premiere Networks said.Travis, 42, and Sexton, 39, bring a slightly different style and background to the world of talk radio. Both are younger than nearly all of the top hosts in the industry. And, while Sexton has had a more traditional career in conservative media, Travis is largely known for his commentary on sports. Travis has also generated controversy for