check in. thank you, congressman. >> you bet. >> sandra: we have senator rand paul on the couch. you have been watching this. your thoughts? >> i think expression of sympathy for those who are involved with this, and then the hope that the injuries and fatalities don't rise from this. but, you know, you can see the front of the train and imagine 70 miles per hour coming to zero miles per hour in the space of a second or two. it sounds like maybe having two impacts. it may have been the first impact the truck thrown up and then second impact hitting the truck. you can imagine what it would have been like in the truck and seeing any survivors in the truck would be amazing. but, no, and then i guess over time people will have to investigate these things and figure out, you know, are there sensors on the train that engineers should know there is a truck. did it happen in an instant? >> harris: such a great question. considering right at this hour, sandra, we have