A barrister like his wife Jill, 61, Lines, 59, from Blaenau Gwent, south-east Wales, attended Conservative Party rallies in Cardiff on Wednesday night to decide who to pick as Britain’s next prime minister. “I haven’t felt this sense of responsibility since Brexit,” Kevan said. “I was having sleepless nights over Brexit, waking up in a cold sweat and thinking, what if all things were equal and it was my vote that made the difference?” They want to make the decision together, so they don’t cancel each other out. “You can’t let it rule your life, but we talk about it a