It's a they-tifada. At least 9 of the 81 people, or 11 percent, arrested in connection with storming a Columbia University library Wednesday use "they/them" pronouns, a review of public records by the Washington Free Beacon shows. That share is well above the 1.6 percent of Americans who identify as transgender or nonbinary, according to the Pew Research Center , and more than double the 5 percent of people who identify as transgender or nonbinary under 30. The brood of agitators run the gamut