<p>Offering no explanation for the move, Attorney General Bill Lockyer on Tuesday abruptly canceled a grand jury session exploring obstruction of justice allegations against the Davis administration in the Oracle Corp. software contract.</p>
<p>State Sen. Dean Florez, who as an assemblyman led legislative hearings into the matter last spring, was scheduled to be the first witness before a Sacramento County grand jury Tuesday, but was told that the session had been canceled and his subpoena rescinded.</p>