by Jessica Martini & Stefanie Grimm LEXINGTON, KY - During a session dominated for much of the day by the short yearlings, the supplemented broodmare Sebago Lake (Tapit) jumped to the lead in the final hips when selling for $700,000 to Mandy Pope's Whisper Hill Farm. Overall, through two days of the four-day auction, 430 head have grossed $31,596,700 for an average of $73,481 and a median of $30,500. With continued strength at the top of the market, the Book 1 average dipped just 3.39% from a year ago, but...