"Social Security is fine for those at or near retirement today. For those receiving their checks today, don't worry. It's going to be there for you. For those that are nearing their retirement years, don't worry, it's going to be there for you. But for your kids - for your boy and my boy, and for their children, for our kids and grandkids, it's a real big question as to whether or not the system's going to be there."