Washington, DC -- Former U.S. House speaker and one-time Republican presidential hopeful Newt Gingrich dropped out of the race to be America’s next commander-in-chief on Wednesday. Speaking in Arlington, Virginia just outside the U.S. capital city, Gingrich announced his departure but fell short of endorsing his previous opponent, former Massachusetts Governor Mitt Romney: I am asked sometimes - is Mitt Romney conservative enough? And my answer is simple: compared to Barack Obama?  This is not a choice between Mitt Romney and Ronald Reagan. This is a choice between Mitt Romney and the most radical, leftist president in American history. Gingrich…