Actress Jennifer Aniston is set to hit the stage in Los Angeles for the city's inaugural 24-hour theatre marathon in June. A website reports that the charity initiative brings together celebrities and playwrights in an all-day theatrical marathon. It has been a fixture on Broadway for many years. The Los Angeles debut will also feature Eva Mendes, Nia Vardalos, Sam Rockwell and Rosie Perez. Six writers, six directors and 24...