The Edge and Bono are currently enjoying massive financial and critical success for U2’s residency at The Sphere in Las Vegas. Meanwhile, they have both just sold their stake in Dublin hotel The Clarence to the Dean Hotel Group, owned by Paddy McKillen jnr and Matt Ryan, in a multimillion-euro transaction. However, not all their endeavours have been quite so successful. In May 2018, it emerged that Bono and The Edge were backers of Convoy, an on-demand trucking company based in Seattle. They were not the only big-name investors enamoured by the company. Two of the world’s richest men, Jeff…