ould have the ordinary obligation first to satisfy itself of the truthfulness of her testimony and then to disclose impeachment material. See, e.g., NY Rules of Professional Conduct, Rule 3.8(b); ABA Prosecution Function Standards, Standard 3-1.4(b) ("The prosecutor should not make a statement of fact or law, or offer evidence,

would have the ordinary obligationfirst to satisfy itself of the truthfulness of her testimony and then to disclose impeachment material. See, e.g., NY Rules of Professional Conduct, Rule 3.8(b); ABA Prosecution Function Standards, Standard 3-1.4(b) ('The prosecutor should not make a statement of fact or law, or offer evidence,