Aww, they missed the fun parts of volcanic fallout.
Like the crystalline rock shard ash shredding your lungs from the inside out, until you suffocate on the puree'd remnants of your own lungs
Like the fine silty ash congealing into a solid mass of cement in your lungs
Like the burning hot clouds of sulfuric acid boiling you to death while dissolving key parts of you into mush.
Geez, what fun is an Apocalyptic Doomsday Scenario without the graphic "everybody panic" descriptions... slackers!
Seriously, though.
Yellowstone Caldera has more volume of magma under it than the rest of the worlds volcanoes combined
It's like "Here's Yellowstone.. aaaaaand here's everyf***ingwhereelse. This is the definition of F***ed - everywhere else is a sideshow"
Now..
If we could get some geothermal electrical plants set up to draw on all that heat energy (in Yellowstone) for our stationary power grid in North & South America, we'd be sitting pretty. Think: Nuclear reactor setup, but without the uranium-heating-up-the-steam part of the operation - Yellowstone Caldera would provide the heat in place of 'scary' uranium.
Add some good old Fischer-Tropsch coal-to-diesel processing for our transportation energy requirements (coal.. which that same general Montana/Wyoming area has in amazing abundance too...). I'm thinking the smart money is investing in Montana and Wyoming.
If Yellowstone pops, we're all FUBAR anyways. Nothing much to be done by worrying about it. May as well make use of it while it's playing nice-nice.