GOP presidential candidate Donald Trump's latest video, posted online Monday, portrays Democratic presidential front-runner Hillary Clinton laughing over flaming images of the Benghazi attack. "Hillary has been having a laugh at our expense for years," reads text at the beginning of the video, followed immediately with a series of video clips of the former secretary of State chuckling. Clinton's laughter can be heard while several news clips fly across the screen highlighting several controversies, from Whitewater to the recent federal investigation into her private email arrangement while at State. The final clip of Clinton laughing — taken from her testimony...