Irish rock group U2 has just released more information about their world tour. According to Billboard magazine, the group's Vertigo Tour will begin March 28 in the Sports Arena in San Diego. U2 will, for the first leg of their tour, be supported by the band, Kings of Leon. The North American part of the tour will last roughly two months, and will be followed by thirty concerts in Europe, starting in June. At the end of August, U2 will return to the U.S. for another thirty concerts across the country. The average price for a ticket is approximately $90.00. U2 will also perform at the Grammy Awards on 13 February. | 
