9/11 PROBE: AIMING HIGH.

Discusses the U.S. commission investigating pre-September 11, 2001 government lapses. Thoughts from commissioners of the panel about their plan to push for a wide-ranging probe that will include testimony from top officials of the Administration of U.S. President George W. Bush; Complaints from panelist Tim Roemer that the congressional probe suffered because officials such as Donald Rumsfeld were not questioned directly; Plans to interview officials from prior Administrations; Remarks from Republican Senator John McCain of Arizona, a key architect of the legislation forming the commission.