Donald Trump should immediately fire Corey Lewandowski following the battery charge lodged against his campaign manager for allegedly roughhousing journalist Michelle Fields, a group of 15 conservative female writers are urging. In an explosive letter delivered to the Republican presidential front-runner on Wednesday, 16 women, considered key members of the right-leaning female media elite, write: "The press is to have an adversarial, yet civil approach to those in, or running, for elected office. Never in this line of work is it acceptable to respond to reasonable and legitimate questioning with use of physical force. "The photographs, audio, videos, and witness...