We leave today for San Diego.  Probably will go to the zoo, some rank as  #1 in the world .  Here is another video of  how to visit the zoo .  There is also a hop-on-hop-off trolley system, with a stop at our hotel, the Marriott Marquis. But our primary purpose for this trip is Paso Robles to taste Petite Sirah.  We have relatives in the San Diego area, and four of us will drive from San Diego to Paso Robles, then back a few days later. The cities are 332 miles apart, a drive of 6 hours without stopping.   If you're a fan of this blog, you know by now that my favorite wine is Petite Sirah from Paso Robles.   There is a lot of history going back more than half a century . I tasted a very early version of this wine when it was not yet bottled.  I was spending a summer at the Lawrence Livermore National Laboratory in the early 70s and knew a colleague whose last name was Concannon.   James Concannon founded the company in 188...