Country music star Dwight Yoakam talks about his grandfather’s work in the coal mines and plays songs from his latest album, ‘Swimmin’ Pools, Movie Stars.’ Also, producer Sam Briger speaks to author Maria Semple about her comic novel ‘Today Will Be Different,’ about a stressed-out wife and mother who starts every day with a mantra. Jazz critic Kevin Whitehead reviews a recording of Dizzy Gillespie’s 1980 “concert of the century” in Montreal.