In Today's TDN:

Dual Classic winner American Pharoah (Pioneerof the Nile) worked a half-mile Tuesday around the Churchill Downs oval in preparation for a start in the GI Belmont S…The Kentucky Horse Racing Commission's Equine Drug Research Council (KEDRC) approved threshold levels for cobalt…Plus, Bill Oppenheim recaps a big weekend for Teofilo in Ireland, and previews the Epsom Derby and Oaks pictures as well as looking at the European second-crop sire standings. All that and much more in today's TDN.