Coffee, tea, or mate? The Turks have their coffee, the Japanese have their green tea, but in South America, the stimulant of choice is mate. For many Argentinians, mate is more than a drink –- it's a social ritual with a rich history first developed by the people of the pampas. And it may be coming soon to a bar near you.
- David Karr, founder of Guayaki (Gwy-uh-KEE), a company that sells Yerba Mate and other products
- Paola Hernandez, professor of Spanish literature, University of Wisconsin-Madison