 CBS NEWS SPECIAL REPORT. A DAY AFTER AN ASSASSINATION ATTEMPT ON HIM, FORMER PRESIDENT TRUMP HAS ARRIVED IN MILWAUKEE FOR THE REPUBLICAN NATIONAL CONVENTION WHICH KICKS OFF TOMORROW. SECURITY STEPPED UP THERE AS WELL AS AROUND THE WHITE HOUSE TONIGHT AS PRESIDENT BIDEN GETS SET TO ADDRESS THE NATION IN LESS THAN 30 MINUTES. WE MUST UNITE AS ONE NATION. WE MUST UNITE AS ONE NATION TO DEMONSTRATE WHO WE ARE.