More documents indicating tobacco industry lawyers directed the companies' smoking and health research emerged in Minnesota's tobacco trial today. The handful of documents is among some 39-thousand turned over to the state and Blue Cross Blue Shield last week, when the U-S Supreme Court refused to halt their release. Minnesota Public Radio's Laura McCallum reports... While the defense is currently presenting its case... a first-time courtroom visitor might suspect that the state and Blue Cross were still working on their witness list. Lead plaintiff attorney Michael Ciresi introduced one internal company memo after another over defense objections. He grilled a