Reuters: U.S. President Barack Obama on Tuesday called on the House of Representatives to pass a comprehensive climate change bill, which Democrats hope to debate and pass on Friday. "The nation that leads in the creation of a clean energy economy will be the nation that leads the 21st century global economy," Obama told reporters at a White House press conference. "And that is why I urge members of the House to come together and pass it," he added. The legislation aimed at …