Christian Science Monitor: One week after the Deepwater Horizon oil rig collapsed into the Gulf of Mexico, a letter arrived on President Obama’s desk from Sen. Bill Nelson (D) of Florida, demanding an immediate moratorium on offshore oil drilling. The same day, Florida Gov. Charlie Crist – a man once seen cheering as Sarah Palin said “drill here, drill now” – called for a special state legislative session to ban offshore drilling. Even on the other side of the continent, the effects of the Gulf oil spill …