ISLAMABAD, Pakistan (AP) — India and Pakistan have fought three full-scale wars since they gained independence from Britain in 1947. They’ve also had dozens of skirmishes and conflicts, including one atop a glacier dubbed the coldest and highest-altitude battlefield in the world.The latest escalation follows a deadly gun attack on tourists that India blames Pakistan for — Islamabad denies any connection. But they don’t fight wars like other countries.The dominant factor is their nuclear weapons arsenal, a distinct way of deterring major attacks and a guarantee that fighting doesn’t get out of hand, even when the situation is spiraling.Here’s how...