Am I insane? We have a friend who lives out there and we aren't going to do a "Vegas" holiday, more just stay with him for a couple of weeks, maybe do a few days out to see things like the Grand Canyon and local national parks etc. Not expecting to go out gambling and drinking. But he's our first baby (currently only 9 months old) so I have no concept of what he'll be like at 18 months and it's an 11 hour flight so it seems a bit daunting. Can we do this or will it just be hell?