Ed DeRosa of TwinSpires.com takes on TDN’s Steve Sherack and Brian DiDonato as they handicap each prep race leading up to the GI Kentucky Derby. The three will make $100 Win/Place bets-highest bankroll after Arkansas Derby/Lexington day wins. DiDonato: GII Twinspires.com Louisiana Derby – It was another profitable prep with Spinoff getting second (+$340), but