Like so many of Woolf's odysseys into the heart of America's subcultures, ?"Wall to Wall"?traces a modern?Ulysses?in reverse: from a West Coast asylum where he works as an attendant to a Boston asylum where he visits his mother, Claude Squires views roadside America from its weak side--the tough underbelly of the Southwest, Tucson, the Rio Grande, Nogales, The Border--before thrusting himself into Okie's sacred shrine, Oklahoma City, and into the staid Eastern Corridor that ends in Boston. Claude's vehicle is a '59 Thunderhead, a "female beast," which his father, a used-car dealer in L.A.,...