Are two of the most dangerous volcanoes in the entire world starting to wake up? We live at a time when seismic activity is on the rise all over the planet. More than three dozen volcanoes have recently erupted, and there have been more than 850 earthquakes in California and Nevada within the past seven days. Unfortunately, most people are not taking the threat that we are facing seriously. (snip) Thankfully, seismologists do not expect Yellowstone to erupt right now. (snip) In the shadow of Mount Vesuvius, a much larger and potentially catastrophic threat looms beneath the ground—Campi Flegrei, the...