When Jeff Flake was elected to Congress in 2000 from Arizona’s Sixth Congressional District with the hope of “effectively advanc[ing] the principles of limited government, economic freedom, and individual responsibility,” he was a relatively unknown entity outside Arizona. Some may have dismissed the Arizona newbie as just another congressman out of a 435-member body, but that would have been a big mistake. Over his seven years in the House, the mild-mannered contrarian has become the bane of porkers everywhere. To the chagrin of his congressional colleagues, the Arizona representative has made a career out of targeting some of Congress’s most...