Tonight, we are going to take a look at the president of the United States and how president s make decisions, and residents, frankly, influence all of those other areas that we just talked about. The president of the United States has today assumed incredible responsibilities and facing incredible pressures in that position. Since 1914, we have had 17 president s of the United States, all of whom, you know, will have various places in history. We have gone from wilson to harding, truman to eisenhower and nixon, kennedy to carter and reagan, johnson to clinton, bush, and obama. What can we learn from all of those president s . And how has the presidency changed in terms of the responsibilities that have to be confronted . We will look at the challenges of the modern presidency through the eyes of four top aides, all of whom who have served president s of the United States, and we are looking at president s that each of these individuals served. What was their greatest strength, and wha