Seattle Post-Intelligencer: It was a Paul Revere kind of day on global warming. In separate settings Tuesday, a federally commissioned report and a congressional hearing warned that climate change is indeed coming: One by land, and two by sea. Talk about a double whammy. The quality of the nation’s future is at stake. A report for the Department of Agriculture from top scientists suggested the rise in food prices is something Americans will have to get used to. That’s because a changing climate already is …