The senator was called to testify at the trial.

VOA: special.2009.09.13

Two weeks after the Columbine massacre, Ludlow Colorado I got called before the U.S. Senate Commerce Committee to testify on the relationship of youth culture and violent entertainment.

科罗拉多可伦拜高中枪杀案，事发两周后,美国参议院商务委员会给我打电话,让我参加一场听证会,主题是青年文化和暴力性娱乐的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

However,the judge told the prosecution to continue lining up witnesses to testify against Kasab, saying his trial will continue.

VOA: standard.2009.07.23

The Bush administration on Tuesday decided to allow Rice to testify publicly to the independent commission under oath, a reversal that came after weeks of public pressure to do so.

CNN: Rice may testify before 9/11 panel by next week

And he refused to allow Genger to testify without providing corroborating evidence to support his words.

FORBES: Delaware Ruling Would Require Massive Data Backups

Moroccan-born Ms Mahroug complained that the judges' decision not to allow her to testify in the case amounted to "psychological violence".

BBC: Berlusconi trial: 'Ruby' Karima Mahroug at Milan court