and ken ford became my mentor and another big influence on me. and ken ford's book, awesome. he told it like it is. ken ford is a giant himself. he doesn't have a nobel prize but his friends do. he's one of those type guys. he was the exec officer of the american institute of physics. i'm proud to say now, i'm very proud of him to have him for a personal friend. so he was a great influence on me. and now i find myself, my greatest satisfaction is to realize that i myself am an influence for other people. i'm sort of a kenny isaacs or a burl grey or a ken ford to many students. and this many is with a capital m, thanks to the efforts of my friend marshall alenstein who has put together these videotapes and these dvds that spread my lectures from thelassroom into the classrooms of many people. and so, it's wonderful being that role model for other teachers and students. and whatever i can do to be a burl grey to other people, to let them see that perhaps a very good foundation for, hey, what's going on in the world, certainly, is science. so let's hear it for physics. physics f

ford and perm yum base here in texas. all of that is creating a big boom in construction jobs. ken simonson of the agency for general contractors says that that is the one bright spot right now. it's energy. that's what we're seeing all of the job creation. but not just when it comes to infrastructure building. it's having ripple effects in that we're also seeing the petrol chemical coming back. nat gas play is also fueling that. for more on what's going on here at enterprise, check out my interview with mike on cnbc.com. brian. >> bertha. thank you. if we could get more pipelines built, that could be the real jobs act. larry, hope you're listening. we're going to be back after the break with a man that runs the pharmacy business at walgreens, one of the biggest employers in chicago, one of the biggest employers in the united states. they've got some new store looks. we'll ask him if it's working. we'll introduce you to one of the fastest growing public companies in chicago. we've got a lot more to do. we are back with a special chicago "street signs" right after this. ♪ ♪ i can do