(Reuters) – Never mind President Barack Obama's inauguration address or what Michelle Obama was wearing at the ball. Was Beyonce lip-synching the U.S. national anthem on Monday, or wasn't she? The Grammy-winning singer remained silent on Tuesday amid a media storm over whether she was lip-synching, singing over her own pre-recorded track, or performing live when she delivered a flawless version of "The Star-Spangled Banner" to hundreds of thousands of people in Washington and millions watching on television. A spokeswoman for the U.S. Marine band first told U.S. …
