Lyle Lovett & Robert Earl Keen at The Pikes Peak Center show preview

When Lyle Lovett and John Hiatt toured together in years past, their shows were nearly as much about them swapping stories as playing songs. Now, Lovett and fellow Texan Robert Earl Keen are taking a similar approach, sharing center stage with a couple of stools, an assortment of acoustic guitars, and a bottomless supply of dry humor.…