An elderly political activist, repeatedly portrayed by CBS News as a typical victim of the high cost of prescription drugs, now admits the network "probably" should have disclosed her lobbying interests. Viola Quirion, who favors the Medicare changes that would provide elderly Americans such as herself with a taxpayer-subsidized prescription drug plan, might not be considered a typical senior citizen to many people - given her extensive political lobbying background, which includes advocating on behalf of Alliance for Retired Persons. But that's the way she was portrayed by CBS News on at least three occasions since 1999, most recently in...