considering calling off the exploration so salvage work can start. face-off in the debates in south carolinament they talked about jobs, tax returns, health care and who s best qualified to take on president barack obama in november. newt gingrich lashed out at the media when asked to comment on his ex-wife s claims about their marriage. six nato troops are dead. their nationalities haven t been released. nato says there was no hostile activity in the area when the chopper went down. but the taliban are claiming responsibility. those are the headlines from cnn. i m zain verjee, world business today starts now. hello. and a very happy friday too you. welcome to world business today. activists strike back after celebrity-ebb endorse web site megaup load to shut down over privacy claims. google pulls back on the stock market. and why the captain of a wrecked cruise liner was ordering dinner and desert when he should have been evacuating the ship. all of that and more to