Spending time with Caleb the winemaker at Bookwalter in Washington we got a clear explanation of why the Merlot and cab taste so differently in Washington. While a wine geek answer it has to do with pH and conditions. Caleb was told that next to Pomerol France, Merlot grows best here because of the desert dry conditions. The winemaker at Bordeaux Margaux said that it's because in August a drought happens every year. In Washington they always have drought desert-like conditions but control their water. They can turn on a drought and so it allows their wines to receive intense heat but dry conditions. This retains acidity and