Tobias Harris is a senior fellow at the Center for American Progress, an independent, nonpartisan policy institute. He is the author of "The Iconoclast: Shinzo Abe and the New Japan."
Twelve years after leaving 10 Downing Street, former British Prime Minister Margaret Thatcher was asked at a dinner what she thought her greatest achievement was. "Tony Blair and New Labour," she reportedly answered. "We forced our opponents to change their minds."