tanks stationed outside. got to be careful with the tanks because the roads have a tendency not to like heavy tanks so we have to put them in certain areas. we have the brand-new sherman tanks, the brand-new abram tanks, and we have some incredible equipment, military equipment on display. brand-new. and we re very proud of it. so a couple issues here for the president. one, sherman tanks have not been in active service since the 1950s. problem two, the tanks that are coming weigh about 60 tons each, and there is very real concern they could do major damage to the capitol city streets, bridges and, of course, our country s famed national mall. joining me now, washington post senior national affairs correspondent, jewuliet and mar jacobson. we re going to talk with mark in a second about the tanks, but, first, the concerns potentially