There are a couple reports today that Lenny Kravitz will be an opening act on this year's U2 360 tour, at least in Salt Lake City. Scott Iwasaki, music editor at the Deseret News, mentions it in a blog post this morning: "When U2 lands at Rice-Eccles Stadium on June 3, the band will have an opening act in tow -- Lenny Kravitz." And the ticket presale page for the Salt Lake City show also says "Scheduled Opening Act: Lenny Kravitz.
Link to full article on @U2