Senate asks supreme court chief justice to testify on ethics amid Clarence Thomas revelations – as it happened

• Thomas under scrutiny after accepting luxury gifts
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The Democratic chair of the Senate judiciary committee has asked chief justice John Roberts to testify on 2 May about the court's ethics, following revelations of undisclosed links between a Republican megadonor and conservative justice Clarence Thomas.

In a letter to Roberts, judiciary committee chair Richard Durbin did not mention those reports about Thomas specifically, but noted that since he last addressed the court's ethics in 2011 there has been a steady stream of revelations regarding Justices falling short of the ethical standards expected of other federal judges and, indeed, of public servants generally. These problems were already apparent back in 2011, and the Court's decade-long failure to address them has contributed to a crisis of public confidence. The status quo is no longer tenable."