(Note: This interview originally aired back in April.) On this installment of ST, the bestselling writer Jonathan Lethem is our guest. He's known for such celebrated novels as "Dissident Gardens," "The Fortress of Solitude," and "Motherless Brooklyn." He joins us to discuss his latest book, which is a gathering of nonfiction pieces. It's called "More Alive and Less Lonely: On Books and Writers," and it's an impressive collection of 50+ essays, some of them previously published and some newly