JEFF IDELSON OBSERVES: ‘Grassroots’ Clinics Lure Youngsters Back To Baseball By LIBBY CUDMORE • Special to www.AllOTSEGO.com COOPERSTOWN – During one of his clinics in Chicago, Grassroots Baseball co-founder Jeff Idelson got to see first-hand how baseball can change a life. “We were at the Union League Boys & Girls Club in Chicago and Goose Gossage was playing catch with a young boy,” he said. “This kid had never put a glove on, and afterwards, his older brother came over…