In today’s episode, Mark Frauenfelder brings his own espresso machine to US Barista Champion, Kyle Glanville, to learn how to make the perfect espresso. Kyle also gives a hands-on demonstration of the “ultimate nerd’s way to make coffee.” This weekend, Kyle will be competing against the best baristas from around the globe in the 2008 World Barista Championship. The final round and awards ceremony are on Sunday, June 22nd, and streaming video of the competition can be seen now and through the …