What looks like random cancellations may actually be part of a much larger issue. Here’s what you need to know. Just as summer concert season kicks into gear, a wave of artists is pulling the plug on their tours. Everyone from Meghan Trainor to the newly reunited Pussycats Dolls to Post Malone and Jelly Roll (who were touring together) have axed their upcoming tour dates. The spate of cancellations for poorly selling shows ― People magazine counted at least 10 high-profile artists who’ve either