The offshore drilling ban imposed after the BP disaster is only supposed to hit operations in deep water -- 500 feet or more. But drillers in shallow water say they haven't been issued permits since the April 20 explosion. The delay has already forced hundreds of layoffs, and many more could be on the way. ..."Every time he asks them how many permits they've issued, and each time the answer is zero," said Hercules' Noe. Safety first: An Interior Department spokeswoman said there is no freeze on shallow water drilling. However, she said, new safety procedures were put in place...