A federal appeals court on Thursday rejected a request by Hunter Biden to toss the pending criminal gun case against him, saying his appeal was premature. The ruling clears the way for Hunter Biden's trial in the case to start on June 3 in U.S. District Court in Delaware. Biden is the son of President Joe Biden. In its ruling Thursday, a three-judge panel on the 3rd Circuit U.S. Court of Appeals said Hunter Biden failed to show that the trial judge's decision in April allowing the gun case to proceed were appealable before any final judgment, which could include his sentencing. The appeals panel, whose decision was unanimous, did not rule on the merits of Biden's arguments that the indictment should be dismissed. If Biden is convicted at trial, he could renew the a