Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics - this is the reason why quantum mechanics seems so foreign to our everyday existence.
I came from a poor family, so working and going to school at the same time was natural. It taught me multi-tasking, although we didn't call it that back then. I learned I could never be idle, I need to be doing many things at once.
Part of American leadership is making sure that we're doing nation building here at home. That will help us maintain the kind of American leadership that we need.
You seem so clear about who you are. So certain that you are just right as you are, that for all your intelligence and maybe in spite of it, you never seem to need a second opinion.