When it comes to Texas honky-tonk, nobody knows the music or the scene better than Johnny Bush. Author of Willie Nelson's classic concert anthem "Whiskey River," and singer of hits such as "You Gave Me a Mountain," "Undo the Right," "Jim, Jack and Rose," and "I'll Be There," Johnny Bush is a legend in country music, a singer-songwriter who has lived the cheatin', hurtin', hard-drinkin' life and recorded some of the most heart-wrenching songs about...