President of Germany Roman Herzog, Johannes Rau, Christian Wulff, Joachim Gauck and Frank-Walter Steinmeier (as yet) have signed and promulgated all bills during their respective terms. The president represents Germany in the world (Art. 59 Basic Law), undertakes foreign visits and receives foreign dignitaries. They also conclude treaties with foreign nations (which do not come into effect until affirmed by the Bundestag), accredit German diplomats and receive the letters of accreditation of foreign diplomats. According to Article 60 (2) of the German Constitution, the president has the power to pardon. This means the president "has the authority to revoke or commute penal or
Area 51 over Area 51's actual operations. While the veterans deny the existence of a vast underground railroad system, many of Area 51's operations did (and presumably still do) occur underground. Several people have claimed knowledge of events supporting Area 51 conspiracy theories. These have included Bob Lazar, who claimed in 1989 that he had worked at Area 51's "Sector Four (S-4)", said to be located underground inside the Papoose Range near Papoose Lake. Lazar has stated he was contracted to work with alien spacecraft that the U.S. government had in its possession. Similarly, the 1996 documentary "Dreamland" directed by Bruce Burgess