Following a training session on Monday, Ola Kamara grabbed a seat, sipped a cup of coffee and exhaled. The past week had been a whirlwind: D.C. United and Kamara, its new Norwegian forward, had just returned from a trip to Vancouver, where he substituted for Wayne Rooney in a 1-0 loss. Before that, Kamara had flown to Toronto and back. Before that — he took a breath describing this — he’d flown 24 hours from Hong Kong.
Kamara spent the past few months in China, although he would prefer to put that experience behind him. Just before the 2019 season started, the L.