Des Moines Register: Martin O'Malley doubled down Saturday on a claim earning him some ridicule from Republicans: The threat of Islamic State terrorism and climate change are most likely linked.
The Democratic presidential hopeful told Iowans during a stop at Peace Tree Brewing Co. that the rise of the violent radical group was spurred by tensions from a major drought that hit Syria in 2007. The U.S. needs to focus its intelligence efforts on better predicting how natural disasters will affect countries and use its...