1.   Until a new head of the endowment is named, Eileen Mason, the senior deputy chairwoman, will serve as acting chairwoman.

2.   Bush named Laura Unger, the only Republican SEC commissioner, as acting chairwoman of the agency until a permanent head is nominated and confirmed by the Senate.

3.   Bush named Unger, the only Republican SEC commissioner, as acting chairwoman, in February when Clinton nominee Arthur Levitt left the government.

4.   In a telephone interview, acting SEC chairwoman Laura Unger said she was hopeful the securities industry will eliminate conflicts of interest.

5.   Levitt left the job in February, and Bush named Laura Unger, the only Republican SEC commissioner, as acting chairwoman of the agency.

6.   Levitt left the job in February, and Bush named Laura Unger, the only Republican SEC commissioner, as acting chairwoman.

7.   President Bush named Laura Unger, the only Republican SEC commissioner, as acting chairwoman of the agency until a permanent head is nominated and confirmed by the Senate.

8.   President Bush named Unger, the only Republican SEC commissioner, as acting chairwoman of the agency until a permanent head is nominated and confirmed by the Senate.