circuit courts, but contrary to the D.C. Circuit below, this Court's decision in U.S. Parole Commission v. Geraghty, 445 U.S. 388 (1980), remains good law in the litigation under Article III to appeal a

2. Whether named plaintiffs in a class action retain standing to appeal a district court's denial of class certification on behalf of absent class members when, after that denial, upon defendant's motion, the named plaintiffs.

Whether named plaintiffs in a class action retain standing to appeal a district court's denial of class certification when the named plaintiffs' claims become moot