Originally published on Mon September 24, 2012 6:00 pm
It's taken as a given that American voters in 2012 aren't as concerned about foreign policy as they are the domestic economy.
It's also accepted as true that on matters of foreign policy, President Obama has an advantage over his Republican challenger, former Massachusetts Gov. Mitt Romney, who lacks significant firsthand foreign policy experience.
But Romney has made it a point lately to show that he's not ceding foreign policy and national security to Obama.
Arctic sea ice is in sharp decline this year: Last week, scientists announced that it hit the lowest point ever measured, shattering the previous record.
But it turns out that's not the most dramatic change in the Arctic. A study by Canadian researchers finds that springtime snow is melting away even faster than Arctic ice. That also has profound implications for the Earth's climate.