“President Trump is trying to cement his legacy — literally,” the New York Post reports.Said Trump: “It’s made with the most powerful steel welded together and concrete that is so hard and so strong it’s used in nuclear power plants. You could take a jackhammer and go to those columns and stand there for two days at full blast and you wouldn’t even see a mark. It’s nuclear concrete. I think it would be very hard. It’s meant for if there’s a nuclear attack. I’m not sure you could take it down.”