Trainer Peter Miller, currently tied for first in wins in the Santa Anita Park standings, has been summoned to a hearing with the track's stewards to answer a California Horse Racing Board (CHRB) complaint for a Class 4, Penalty Category C drug violation after isoflupredone was confirmed via split-sample testing his trainee, Hembree (Proud Citizen), when the 7-year-old won the GII Joe Hernandez S. at 5-1 odds Jan. 1. Isoflupredone is an injectable steroid primarily administered for anti-inflammatory effects. The drug's 4C categorization is on the less-severe side of the...