DENVER (CBS) ― Michelle Obama's big speech at the Democratic convention Monday night was being anticipated not just for what she'd say -- but for what she'd wear. The would-be first lady's fashion flair is already grabbing attention -- she's being closely watched as a possible budding fashion icon -- and most observers the outfit she selected for the big event clicked. Among those whose keen eyes were trained on Michelle is Laura Schwartz, a former adviser to the wife of former Democratic presidential candidate Sen. John Kerry of Massachusetts, Teresa Heinz Kerry. Schwartz also worked in the Clinton White...