SAN FRANCISCO -- A Yemen native who disrupted a San Francisco-bound flight was portrayed by prosecutors Tuesday as a dangerous and erratic passenger who tried to barge into the cockpit twice, did not carry any luggage and yelled "God is great" in Arabic.Assistant U.S. Attorney Elise Becker said Rageh Al-Murisi, 28, was carrying several valid and expired forms of identification from New York and California, $47 in cash and two postdated checks totaling $13,000 in his wallet.