replacement jobs once the service sector gets washed out by robots. >> well, marshall brain, thanks for giving us what might be an anxiety-producing vision of the future, though i'm holding out hope that my blackberry butler will be cheap enough that everyone can have it. thanks again for taking the time. coming up on "hardball," chris mathews looks at what president obama should say to the american people when it comes to libya. but first, in an age where teachers are often scegoatsa trib aanho madal en. in ns with deposits in your engine, it can feel like something's holding your car back. let me guess, 16. [laughing] yeeah. that's why there's castrol gtx... with our most powerful deposit fighting ingredient ever. castrol gtx exceeds the toughest new industry standard. don't let deposits hold your car back. get castrol gtx. it's more than just oil. it's liquid engineering.