(Washington-AP) -- Attorney General John Ashcroft insists a Justice Department probe of the White House will be thorough. It's aimed at finding out who revealed the name of a C-I-A operative. Her cover was blown after her husband, a former U-S ambassador in Africa, questioned the Bush administration's claim that Iraq tried to buy uranium there. The attorney general says a full criminal investigation is being done by agency professionals with extensive experience in national security information. Ashcroft says his department has demanded that the White House and C-I-A provide all relevant documents. Since it's a criminal matter, Ashcroft is...