32nd floor, 64-year-old shooter, Route 91 Festival, at last count 58 dead... Give me a 7. C'mon, 7. Yesterday afternoon, because I was bored, I checked round-trip flights to Las Vegas leaving tonight (Monday) from Denver, returning whenever. For no reason. I wasn't planning on going, it was just a time-wasting exercise, like Googling the weather forecast for a place you are marginally interested in or have visited in the past, but have no intention of (re)visiting anytime soon. The cheapest flights were $94 round-trip on Frontier, or for a bit more, if you didn't want to get up at 4 in the morning (that early, I generally just find a comfortable chair at the airport the night before), a combination of Frontier and United. Today I checked the same flights, now especially for no reason, in particular those departing Denver for Las Vegas tonight, and they are holding at the same price. Identical price Denver-Las Vegas tomorrow, matched by an additional carrier,...