. . . . "Speaking at a fundraising event in Los Angeles where musicians such as Stevie Wonder, Katy Perry and Earth Wind and Fire played for the President, Mr Obama praised the musicians for their perfection by performing ???flawlessly, night after night???. ???I can???t always say the same,??? he then joked, to the amusement of some of the 6000-strong crowd who had gathered at the Nokia Theatre for the De" . . .