How Did Wisconsin Become the Most Politically Divisive Place in America?

… According to recent polling, Wisconsin, once known for progressive policy and upper-Midwestern civility, is now the most politically polarized state in the nation. … Bill Kramer, the Republican speaker pro tem of the Assembly, recently told a reporter that at times he finds it necessary to bring his Glock semiautomatic handgun to work, owing to the atmosphere in the State Capitol. [ cont. ]

Dan Kaufman, NYT Sunday Magazine