Want to stay current with Arthur’s writing? Sign up to get an email every time a new column comes out. “W hen I get to heaven I mean to spend a considerable portion of my first million years in painting,” wrote Winston Churchill in 1922. We have no idea how that project is going for the late British statesman, but we do know what he meant: Artistic creativity is a divine pursuit, and one of the great secrets to happiness. I have believed this axiom from earliest childhood, thanks to afternoon