“You’ve got to do two very contradictory things as a writer: you’ve got to enjoy spending a lot of time alone—and a lot of people don’t—and you’ve also got to go out and see about the world and immerse yourself in that world….” Irvine Welsh, whose latest novel, Dead Men’s Trousers, is forthcoming from Melville House in February, contemplates the words of wisdom and advice he would offer to young writers in this interview with Christian Lund for Louisiana Channel.