There is a reason Chicago mayor and former White House chief of staff Rahm Emanuel earned the nickname “Rahmboâ€. He is ruthless and relentless in acquiring and preserving power, and has no reservations about throwing people under the political bus to protect himself or his clients. He was a master at protecting President Obama’s political backside and is now busily protecting himself. Chicago police chief Garry McCarthy, appointed by Emanuel, resigned Tuesday under pressure from Emanuel who claimed McCarthy had lost the trust of those he had pledged to serves, with Mayor Emanuel making the announcement with typical political double-speak: