LOS ANGELES (AP) - The proposed closure of a busy hospital trauma unit serving a poor, violence-plagued neighborhood drew politicians, celebrities and hundreds of protesters at a rally and public meeting Monday. The Rev. Jesse Jackson, Yolanda King, daughter of Martin Luther King Jr., actress Angela Bassett and Democratic Rep. Maxine Waters joined nearly 1,000 people gathered near the Martin Luther King Jr./Drew Medical Center, where protesters waved signs and chanted slogans against the closure. Afterward, the crowd jammed into a meeting where the Los Angeles County Board of Supervisors took public comment. "I know that I am on the...