PhillyDeals: Arvedlund was right: Madoff was too good to be true

"Investors need, or should want, transparency in their money manager's investment strategy. But [Bernie] Madoff's investors rave about his performance - even though they don't understand how he does it," Erin Arvedlund warned in a Barron's column titled "Don't Ask, Don't Tell," back in 2001.