* The biggest offender is Obama. This guy hasn't got time for this nonsense. I can just imagine him saying, "excuse me, Prime Minister, I need to tweet my conce

* The biggest offender is Obama. This guy hasn't got time for this nonsense. I can just imagine him saying, "excuse me, Prime Minister, I need to tweet my concerns about the Farm Bill."* Obama is transparent about this. The tweets he writes personally are signed "-bo". The rest are written by staffers.