Mick Jagger has said that Brexit has been a “nightmare” for the music touring industry.Since 2016, there has been much talk about the impact leaving the EU will have on artists looking to tour Europe.This has included obstacles in obtaining visas and work permits in the EU, as well as transporting equipment across borders and other problems facing artists coming to the UK to perform.In a new interview, Jagger, 78, opened up about struggles of Britain “isolating ourselves” through Brexit for musicians.“There are a lot of supply-chain problems,” he told The Sunday Times. “A lot of shortages, a lot...