TIMONIUM, MD - Randy Hartley and Dean DeRenzo sent out two horses to work during the first under-tack show session for the Fasig-Tipton Midlantic May 2-Year-Olds in Training Sale Tuesday and came away with the bullet workers at a furlong and a quarter-mile, with a colt by Authentic (hip 59) covering his quarter-mile in :21 1/5 and a filly by Volatile (hip 12) going a furlong in :10 flat. The first of three sessions of the Midlantic May under-tack show began at 8 a.m. Tuesday under cloudy skies and with...