The top law firm who derailed Brexit is still refusing to name the rich clients behind its 'arrogant' legal bid. Former model Gina Miller, 51, was the face of the campaign but 'hundreds' of businesses, entrepreneurs and academics were claimed to be working with Mishcon de Reya.  Ed note: Mishcon de Reya was founded by Victor Mishcon, son of Arnold Mishcon, a rabbi who emigrated from Russian Poland. British Iranian Lawyer Kasra Nouroozi, Mischon's most senior litigator, is understood to have received threats and racist abuse for helping run the case. Today the London firm was accused of 'treason' by Brexiteers saying they helped 'trample' over the will of the people. A spokesman said today, aside from Mrs Miller, no clients will be named, adding: 'We are pleased that the Court has upheld our…