Secret Service approves new plan for Trump to continue outdoor rallies The Washington PostSecret Service plans to use bulletproof glass to protect Trump The HillSecret Service OKs Plan for Trump to Continue Outdoor Rallies, Says W. Post U.S. News & World ReportSecret Service ready to protect Trump at outdoor rallies by surrounding podium with bulletproof glass The IndependentSecret Service prepares use of bulletproof glass for outdoor Trump rallies: Sources ABC News