U2 and the Rolling Stones: rock giants hit the road but take different paths

While the Stones are happy to trade on a back catalogue largely compiled 40 years ago, the Irish rockers are pushing new material to prove their relevanceFor those whose stores of musical nostalgia and classic rock band decadence are running on fumes, this summer’s concert season should be a welcome restorative. Last week U2 launched their iNNOCENCE + eXPERIENCE tour at Vancouver’s Rogers Arena in support of their latest album and iTunes Trojan horse, Songs of Innocence. On 24 May, the Rolli