Montreal — Bono and Adam Clayton are sitting on a couch in a downtown hotel last week after a U2 concert, talking T-shirts. Suddenly they’re 17 years old again hanging out at punk clubs in ...

Hard Rock’s U2 Signature Series: Edition 30 T-shirt ($26) features an image of an electric guitar with angel wings, emblazoned with the words “ JUSTICE,” “ HUMANITY ” and “ EQUALITY.” ...