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Across the U.S., it has been a brutal winter, from the drought in the West to ice and snow in the South and frigid temperatures across the states.
New research presented at the American Association Advancement of Science in Chicago is pointing to changes in the jet stream as the reason for these lingering weather conditions.
Here & Now's Meghna Chakrabarti speaks with Jennifer Francis, research professor at Rutgers' Institute of Marine and Coastal Sciences, about her findings.
This segment aired on February 17, 2014.