CW Pittsburgh Green Team Visits CBS Radio May 15, 2012 / 2:19 PM EDT / CBS News Photo Credit: Ralph Mustahler CBS 1 Photo Credit: Ralph Mustahler CBS 2 Photo Credit: Ralph Mustahler CBS 4 Photo Credit: Ralph Mustahler CBS 5 Photo Credit: Ralph Mustahler CBS 6 Photo Credit: Ralph Mustahler CBS 7 Photo Credit: Ralph Mustahler CBS 8 Photo Credit: Ralph Mustahler CBS 9 Photo Credit: Ralph Mustahler CBS 10 Photo Credit: Ralph Mustahler CBS 11 Photo Credit: Ralph Mustahler CBS 12 Photo Credit: Ralph Mustahler