Leah Mack of Union Bridge, Md., milks Morgan the cow at Upper Senate Park in Washington, D.C., Monday, May 16, 2011 during a rally held by the organization Grassfed on the Hill to protest the sting operation the FDA conducted against Pennsylvania dairy farmer Dann Allgyer and his private buying customers. On Mack's back is her daughter, Hope Faris, 2. (Barbara L. Salisbury/The Washington Times)

Photo by: BARBARA L. SALISBURY

Leah Mack of Union Bridge, Md., milks Morgan the cow at Upper Senate Park in Washington, D.C., Monday, May 16, 2011 during a rally held by the organization Grassfed on the Hill to protest the sting operation the FDA conducted against Pennsylvania dairy farmer Dann Allgyer and his private buying customers. On Mack's back is her daughter, Hope Faris, 2. (Barbara L. Salisbury/The Washington Times)