Thursday the 15th of May 2003 – Day 86Had the mother of all hangovers. Never mix Pisco Sours ( 2 ounces Pisco, 1 ounce Lime Juice , 1/4 ounce Simple Syrup, 1/2 Egg White, 1 dash Angostura Bitters). The brandy called pisco – the pith of the Pisco Sour – is originally from Peru – a powerful, tart libation. Got…