1.   Allowing the federal judiciary to compel presidential testimony would enable judges hostile to the president to harass the chief executive by frivolously calling him to testify, Crump said.

2.   And should Starr issue a subpoena to compel testimony, it would be a stunning, historic presidential first that could not be enforced.

3.   As a result, the committee issued subpoenas last week to compel their testimony.

4.   Because Clinton had rejected six separate invitations to appear voluntarily, lawyers in the office felt they had no choice but to compel his testimony.

5.   Both can convene grand juries, compel testimony and submit reports to Congress.

6.   But Starr has told the president that he still might subpoena him to compel testimony about matters Clinton declined to discuss.

7.   But turning the effort into a formal investigation gives the commission the power to compel testimony and to issue subpoenas to investment banks for any relevant documents.

8.   But when he refused to divulge his sources, members found there was nothing they could do to compel his testimony.

9.   However, prosecutors failed to compel testimony before the grand jury from any of those witnesses, the papers say.

10.   It also would grant the power to compel testimony during investigations, setting aside the right to remain silent to avoid self-incrimination.