I'd tell the next generation not to show their tits on a webcam.
I guess that's a cheat answer, isn't it? I can't just use that as the answer to every question. I mean, it's good advice for any generation, really.
Okay, okay. Basically, if I were President of the World, I would make sure parents taught their children not to be assholes. There's nothing worse than a kid who doesn't say "thank you" or "please". Well maybe there are worse things, but it's still pretty high on my list.
I'd grade parents on their parenting. Your kid knocked every shirt off a display rack and you watched them do it, and didn't make them clean it up? You get a D-. Your kid is obnoxious in a theater and you don't excuse yourself to take them out of the room? You get a G. Yeah, a G. Don't ruin my fucking movie, it's expensive to get in there and watch it. And don't get me started on the popcorn. As President of the World, popcorn would go back down to a reasonable price.
Basically, I can't help the next generation, because that involves fixing this one. And this generation is a hot mess of entitlement and playing WoW instead of making sure their kids aren't calling other kids "faggot".