. >> you have your bowline, your clove hitch, you have your half hitch, you have your becket bend. >> certain knots are designed to carry certain loads. >> if you don't tie the knot correctly -- if you're a hoisting a tool -- it might come loose and hit somebody in the head or injure somebody. >> even just putting up a ladder requires training and practice. it takes a whole other skill set to climb the aerial ladder, especially since this ladder can reach as high as a 10-story building. >> they go halfway up. at that point, they have a ladder belt that they tie into one of the rungs on the aerial ladder. on the aerial, stop and lock in. [ metal clinking ] leaning back, holding, and being able to understand that they can trust the belt, they can trust the ladder, because they need their hands free to actually do work while they're up there. >> after raising their hands to show that they've correctly attached the safety belt to the ladder, they unhook and continue to the window. these junior firefighters are practicing what's called a minuteman load. >> a minuteman load is a hose line t

. >> we need to try to channel the debate i do believe the only defense a bowline of the mortgage tax deduction is have none. . . that is why i say we should eliminate all this. if you really think the goal is so volatile, due with that task and see if that task is -- because i agree with you. the most dangerous lobbying ideas are the nice ideas. and i mentioned it because being against ownership is like being against beats. so if you can cover up your naked interest with a grand idea like that, you become irresistible and that is why i would try to avoid by saying if you want to do economic policy, you have to convince me that a tax is good. >> professor, you just told us that lobbying is the highest margin business that there is. they are only going to pass along that task, those lobbyists are going to pass along their tax whether it's advocacy groups, anti-smoking groups, israel advocates. lobbying takes on many many different shapes. why is it that policy which is almost never worked -- i'd be interested in the example where tax has inhibited or undermined a fundamental policy tha

it took care out of the nationalists bowline and groups ready to use this to take to the streets andied to block foreign investment. it set the stage for pre negotiation and for a second bid around. what you saw over the subsequent four months, the exxon at shell a deal and also the second to bid around in december was a huge success. i think 10 fields were up for a license. suddenly ioc was granted access. there was no backlash at all. the issue was taken after the political debates. i think it was quite extraordinary the way the iraqis and a back given the difficulty of the issue. fast forward to where we are today and the results can speak for themselves. the iraqis can see the fruits of what happened in 2009. the debate is not why are their national companies, but why not more. what are some going to the north. the last bid rounds are seen as a failure. i know he said it did not live up to expectations. you need a new model contract. you need to make profits to be incentivize to get the oil out of the ground and not to international markets. that is very important. for the first