going to be a weather-related event. >> or the other thing is a physical attack, which is shooting and explosive devices at the substation, those are the two things that can get into that one to two-week and beyond. >> but those are a lot easier to anticipate and plan for. >> it's very complicated to do 20 sites at one with a physical attack. that risk is mitigated as well, but that's the one i worry about the most. >> that's very helpful. i'll follow up with all of you. i want to say thank you as a member of my local r.e.a., i have a great affinity for my r.e.a.s. >> thank you very much. >> i yield back. >> thank you. i have one more question, mr. spence.

my colleague from pennsylvania highlighted that too many coal power plants have closed. are you concerned that having fewer generation facilities online makes the grid as a whole more vulnerable? >> i am not. in fact, mr. cauley and his team are also responsible as part of their doodies to evaluate with detailing modeling region by region the impact of retirements of any sort on the grid of major power stations. they have evaluated this multiple times and have found that we continue to maintain an adequate reserve of capacity should we see more retirements than actually forecast. even with the forecast, the retirements which are many, particularly on the coal side, we still have adequate capacity to meet all of our projected

needs for power. >> thank you. >> all right. i look forward to working with each and every one of you. welcome your input as we move forward on this initiative. thank you all for your testimony. your comments have been helpful to today's discussion. if there are no further questions, i would ask unanimous consent that the record of today's hearing remain open until such time as our witnesses have provided answers to any questions that may be submitted to them in writing. a unanimous consent that the record remain open for 15 days for additional comments and information submitted by members or witnesses to be included in the record of today's hearings. without objection so ordered. i would like to thank our witnesses for their testimony if there are no further questions to add, this subcommittee stands adjourned.

>> coming up friday morning, rirk shankman, author of the book "political animals" he tell t es how u.s. voters are using their primitive instincts to elect their next president. be sure to watch c-span's "washington journal" beginning friday morning. join the discussion. >> this weekend, the c-span cities tour hosted by our comcast cable partners to explore the history own literary culture of this southern city, which is home to the university of alabama. on book tv, we'll learn about the history of the university of alabama in the 1960s withal the

author of "turning the tied" in 1960s. >> what he was trying to do i think above all was to get the university of alabama away from this party school, football school focus. to become a viable institution, first in the south and then nationally. it look a while to do that. first thing he had to do was hire faculty. by 1965, 2/3 had them. today we have our share of some of the finest faculty in the country. we're also attracting kids today who can go to harvard, yale, places like that. we lead the country in the number of national merit scholars that come here.

>> and on "american history tv, we'll visit an archaeological site and learn how the native american culture lived from the 11th through the 15th centuries. >> welcome to moundville archaeological park. in its heyday, moundville was the larnlest city north of meks keen contains the remains of about 30 flat topped pyramidal mounds. we are standing at mound b. it contains about 112,000 cubic yards of dirt. and this would have been where the structure for the highest-ranking ruler of the highest ranking plan would have been. originally, they thought it was built by one basket load of dirt at a time. recent research indicates that the base of the mound and possibly the size of them were then filled in with clay