George Bush Sr. knows how to live before he dies. For his 90th birthday he jumped out of a helicopter, went skydiving. At 90. I like this guy. So many people try to live safe lives, or they live in fear of anything outside their comfort zone. And they never live well–whether in the face of eternal reality or of their own earthly mortality. Bush went skydiving on his 75th, 80th, and 85th birthdays as well. Whether he makes it to 95 to continue the pattern remains to be seen. But even if he doesn’t, he’s living. As opposed to…