for prototypes that the mauser theirrs used to develop bolt action rifle. we pay homage to other firearms designers such as browning. the greatest firearms designer who ever lived. and going up to a more modern designer, the founder of the ruger company. arguably the first firearms model 99, a savage lever action rifle. when he went and saw a job at springfield armory, instead of a resume, he brought in this rifle. he was hired on the spot. one of the great leaps forward in the design of firearms began to take place in the 1880's when we transitioned from black powder to smokeless powder. most of the guns had been muzzleloading. that was with black powder, which left a thick oily residue. with a rifle, after some he shots, that would tended to restrict the aperture of the barrel. it became hard to ram a round from the muzzle to the breach. that is why breach loaders were so important. tokeless powder allows you fire more rapidly because the inner workings of the gun are not being gummed up with that residue. an american living in london developed the machin

my concern is our interest in iraq, what about the embassy that we have theirre?t about interest in the oil? money we are spending, our interest in the oil, i think american people really do not understand -- i do not fully understand it myself. i hope that you guys will spend some time talking about all over the world how much money we're putting into them. because these countries of their resources and we want to take control of their resources. i think we need to talk about that. host: sean from illinois, and dependent line. hi. caller: hello, sir. thank you for taking my call, c-span. i want to get right to the point that i disapprove with arming any rebels in syria at this time. whyn give just one reason -- i do not think they are the type of people at this point to trust. we were making the same mistake again that we tried once with iraq, and somehow they have turned around, these people are using our own weapons we left behind against us. ofondly, i would like to say werse with george w. bush, did mistakes, so it is actually twice, we have done this mistake

theirre saving money on power bills in the first month. >> climate change does not recognize nationalt you're able to identify those nations which are doing better than others when it comes to this issue. what about america? rica,ntries like costa that i started working with back in 1994 when i was in the administration when we negotiated a bilateral agreement on climate change, we saw an opportunity to help them develop in a green way and a low carbon andwith renewable energy, there was their reputation as a tourism destination without that , with an environmental protection leader. so 20 years or longer, and then you have newer countries who are seeing solar, for incidents -- for instance, being exciting. both are large-scale, but also for rural participation. are a lot of people without electricity, and that is what we have been working on. >> what about large-scale demonstrations about popular support? >> we need influence, and we need pressure from all angles, so what i see now is there are a combination of businesses who want leadership, and then you have the public. i was march