A US lawmaker's communications director was facing social media calls she be sacked after her Facebook rant about President Barack Obama's daughters prompted widespread anger. Elizabeth Lauten, spokeswoman for Republican Congressman Stephen Fincher of Tennessee, wrote a scathing post to her Facebook account scolding Malia and Sasha Obama, 16 and 13, for looking bored while attending a public event with their father on Wednesday. In the post, since deleted but widely reproduced in screen grabs, Lauten tells the girls to "try showing a little class. At least respect the part you play." The girls stood beside Obama -- looking vaguely...