oh, the terms we have learned lately because what's happened in the gulf. that whole new vocabulary, today in "wordplay" we're going to get another jargony term taken straight from the gulf oil disaster and response. have you heard the headlines about this capping stack? this is bp's latest attempt to choke off its busted wellhead a mile down on that gulf sea floor and the company's reporting some progress. basically this capping stack as you take a look, is at issue. it's a better, tighter containment unit with the potential to stop the oil flow. it's at least going to be able to siphon up more of the oil that's coming out of that leaking b.o.p. underwater robots are at this