To the editor: Generations of children growing up in Colstrip, Mt., benefit from the "32 public parks and a gorgeous community center, complete with child care, gym, spin classes, tanning booth and water slide," as columnist Sammy Roth writes. ("Red state coal towns still power the West Coast. We can’t just let them die," column, April 16) Similarly, I grew up in a comfortable home in Billings, Mt., in the 1950s and '60s. My mother worked for Montana Power Co. demonstrating new electric... Read this story