“In America they use the word ‘vision’ a lot,” the Neapolitan maestro, 68, observed dryly at a press conference, streamed live from Symphony Center over the Internet, in which he commented about the CSO’s 2010-11 schedule. “What is vision? I do not see myself as St. Francis, offering Chicago my beatific visions. Rather, in my first season, I see myself giving, together with this great orchestra, a panoramic view of the history of music..”