By Denny Dyroff, Entertainment Editor, The Times Eric Johnson Texas guitar ace Eric Johnson played the area back in the spring on the first leg of his “Ah Via Musicom Tour.” Now, he is returning to Philly on the second leg for a show on October 22 at the World Café Live (3025 Walnut Street, Philadelphia, 215-222-1400, www.worldcafelive.com) Johnson is a highly-acclaimed guitarist from the...