By Denny Dyroff, Entertainment Editor, The Times Jesse Ruben For Brooklyn based singer/songwriter Jesse Ruben, his show on May 12 at the World Café Live (3025 Walnut Street, Philadelphia, www.worldcafelive.com) is a much-anticipated homecoming. Ruben, who moved to New York 12 years ago, grew up in Maple Glen and graduated from Upper Dublin High School. He went on to earn a degree in songwriting...