The start date for former US president Donald Trump’s trial for attempted election fraud has been pushed back. The court in the capital Washington announced on Friday that the start of the trial, originally scheduled for March 4, would be postponed due to unresolved legal issues in the case. A new date has yet to be set. Trump, who wants to run again as the Republican candidate in the presidential election in November, faces four criminal proceedings on 91 separate charges. In the case in Washington, the 77-year-old was indicted at federal level for his efforts to retrospectively overturn the …