The former chief elections officer, Keith Lowenfiel, Friday refused to testify before a Commission of Inquiry into the controversial March 2020 Guyana elections. “Mr. Chairman, I will remain silent,” Lowenfield told the Commission, chaired by retired Trinidad and Tobago jurist, Stanley John after his attorney, Nigel Hughes, reminded the Commission that his client as well as the Dictrict Four Returning Officer, Clairmont Mingo, have a right not to potentially implicate …