Today I want to tell you about my recent test drive of a Nissan Leaf electric car. I was in San Francisco, enjoying the Thanksgiving holiday with my older daughter, who’s living and working in the city. While there, I found time to visit the Auto Show, which was held in the Moscone Center, with my 18-year old son. Interestingly, the test drive area for the Nissan Leaf, the all-electric car that will start selling late this month for roughly $33,000 in the United States, was in the ballroom! The floor was covered with reinforced plastic, and there was...