John McCain: Effective Lawmaker A self-described Maverick, John McCain became one of America’s most well known, liked and respected politicians during his almost four decades in Congress. It’s difficult to find anyone who doesn’t know that there was something unique about the Senator from Arizona.Senator McCain was also one of the most effective lawmakers of the Contemporary Congressional Era. He scored in our highly effective category for both of his terms as a US House Representative, setting the stage for a long and successful senatorial career. He then went on…