With so much attention on teacup crossovers and self-driving vehicles, I sometimes forget what fun it is to grab a rascal by the scruff and shake it out on a run. The redesigned Hyundai Veloster R-Spec is that kind of car — and it is not expensive. The 2019 Veloster is the second generation of this compact-class, front-wheel-drive, four-seat hatchback “coupe.” It is unique in the segment for its lone rear passenger door on the...