A reporter is accusing the managing editor of NBC News and MSNBC’s political coverage of trying to "intimidate” him into spiking a story about the Democratic National Committee in a chilling phone conversation that he says had her acting as a political operative and not a fellow journalist. Yashar Ali, a high-profile freelance journalist whose work has appeared in the Huffington Post and New York magazine, said he was so taken aback by his conversation with Dafna Linzer, who has held the key NBC position since October 2015, that he posted his synopsis of it in a series of tweets...