At 400 million cups a day, America has become a coffee nation By Scott Wapner CNBC September 29, 2011 HOUSTON, Tex. — There was a time in America when coffee was just a drink. Today, it's something more. It's fancier, tastier, pricier — a magic elixir that satisfies our collective craving and our national addiction to caffeine. If there’s any doubt that America has become a coffee nation, the proof can be found at the U.S. Barista Championship, where connoisseurs battle for a $5,000 cash prize and a shot at making it to the world championship. Top honors are given for the best cup o’ joe in the country. Coffee slinging was once a job. Today, it’s a calling. “We’re going to give people what they want,” said Joshua Boyt, 29, a barista and the owner of Metronome outside Seattle. “That’s what coffee is about. It’s an experience.” “Barista” is Italian for bartender, and just like making a perfect martini, there’s a lot of skill required of these ambassadors ...