Reuters: Protecting the infrastructure of American cities from the effects of climate change is rising on the agenda of the U.S. Department of Homeland Security, according to a top agency official. "Increasingly, we've moved not only from a security focus to a resiliency focus," said Caitlin Durkovich, assistant secretary for infrastructure protection at Homeland Security, an agency better known for its fight to curb terrorist threats. Durkovich spoke Thursday on a panel at the Rising Seas Summit, a three-day...