This season of commencement speeches and their exhortations to live your dreams, follow your bliss, etc. is usually accompanied by jaundiced responses from newspaper columnists about how tiresome it is to hear commencement speeches and their exhortations to live your dreams, follow your bliss, etc. Granted, we have heard these messages of hope and idealism a time or two before. But I would ask these columnists what general theme they would propose commencement speakers embrace instead. Maybe something along the lines of: “Lower your expectations! Dampen your hopes, scuttle your dreams, it’s just a bunch of hooey, you won’t even…