A criminal trial is not an experimental forum for prosecutors to test
the outer limits of advocacy. "The prosecutor's job isn't just to win,
but to win fairly, staying well within the rules." (U.S.v. Kojayan (9th
Cir. 1993) 8 F.3d 1315, 1323; italics added.)
http://www.charlessevilla.com/_pdf/DAmisconduct11.pdf