The energy boom is upending a lot of old assumptions about the viability of U.S. manufacturing, and it's as key to American success as the invention of the Internet, Chicago Mayor Rahm Emanuel told CNBC on Wednesday.
"Cheap energy—the revolution that's going on in America's heartland on energy—is making sure that America now has a manufacturing renaissance," the former Obama White House chief of staff said in a "Squawk Box" interview.
