dbi is not managing acella. that is at department of technology. we ordered $4.2 million to the department of technology in that contract for this phase to go live in september. there is about $400,000 in contingency. we heard that so far not very much has been used. i don't think any of it. there may be some used later, but not much has been used. >> i fully accept that you did a very wise use of history as the basis for all of the future plans and your adjustments make perfect sense. sometimes it is a very healthy thing to look at a zero base. if i had it to do over, what would i change, what would i do? as you are most intimately familiar with all of the numbers. are there anyplaces if you had more discretion to not have it quite so zero based so history based and more zero based, are there anyplaces in particular you personally would see investments? i am talking on the expenditure side, not revenue side, that we haven't pursued in the interest of having this very clear historic reference? >> well, the revenues are definitely based on historic.

two cars broke apart on one of amtrak's high-speed acella trains.rtly after departing washington, d.c. en route to boston this mourning. amtrak says 52 passengers were on board and had to be transferred to another train. no injuries were reported, but the cause is under investigation. this is the latest in a series of incidents for amtrak, including a crash that killed two people when a train was sent onto the wrong track in south carolina over the weekend. >>> only three days left until the winter olympics opening ceremony in south korea, and as athletes and some 100,000 spectators descend on pyeongchang each day, security becomes a top concern. our reporter takes you through the security. >> reporter: an attack could come from anywhere. a hijacking, a car bomb, a standoff. these simulated drills preparing south korean security teams for any threat. protecting the games, an olympic-sized job. it's not just olympic venues that are possible targets. intense drills like these are playing out across the country. tactical teams are ready at airports, su