June 15 (UPI) -- A judge who is turning 99 years old on Saturday is seeking to have her suspension lifted but the U.S. Supreme Court is passing on taking up her case. The high court decided on Monday to decline Pauline Newman's request for a hearing to lift her suspension . She is the oldest active federal judge but has been suspended for refusing to submit to mental fitness testing. Newman argued that she is fit to serve, despite her age and the suggestion otherwise from her colleagues. She