Moskovitz, a Harvard roommate of Mark Zuckerberg who was part of the founding group of the social networking giant, said he and his wife Cari made the decision to pour in millions because “polarization in America today has yielded a race that is about much more than policies and ideas.” The election “has become a referendum on who we want to be as individuals, as a nation and as a society,” he wrote in a blog post on Medium. Moskovitz said this was the first time he and his wife are endorsing a candidate and donating.