There is also the question of whether a reporter is compelled to testify.

He is being compelled to testify by a recent court ruling.

Furthermore, under state law, no one can be compelled to testify before a grand jury without immunity.

This raises the more interesting question whether a former President should be compelled to testify in a criminal trial.

Without immunity, they could not be compelled to testify before Congress.

Article 31 says a diplomat cannot be compelled to testify at a foreign trial.

Under California law, a minor cannot be compelled to testify.

A wife can't be compelled to testify against her husband.

In courts, one spouse may not be compelled to testify against the other.

Moreover, I cannot be tortured or otherwise compelled to testify against myself.