As everyone here knows, I hit the road last month with my dogs Kyrie and Rawley, to spend the summer in Michigan. Our 2,400-mile trip wasn’t without its challenges, many of them due to the fact that Kyrie, at 12 years old, is not handling stress the way she used to. In my column today for SFGate.com, I talk about the lessons I learned from our trip, and what dog-owners can do to make travel easier on senior pets: 1. Listen to your dogThe biggest mistake I made was thinking I could set a schedule to exercise, feed, walk and...