Long before he wrote songs for movies about an elite school of U.S. Air Force cadets, golf hijinks or small towns that outlawed teenage dancing; before he donned the kind of flat-top haircut you could set your watch to; and definitely before he published a book of poetry about the woman he fell in love with -- a woman who administered colonics to him in a professional colonics clinic -- Kenny Loggins was a full-blown country rocker. In fact, in the 1970s he wrote songs for the Nitty Gritty Dirt Band. These twangy ditties caught the ear of Poco's Jim Messina, and the two formed Loggins & Messina. They cranked out a few country-tinged soft rock albums before disbanding in 1976, leaving Loggins to a life of writing and recording songs for movies and his solo albums (which are admirable works in their own right). And then there's his poetryÂ…