 AND I THINK I'VE DEMONSTRATED THAT I KNOW HOW TO GET THINGS DONE FOR THE COUNTRY. DAYS AFTER THE ASSASSINATION ATTEMPT ON FORMER PRESIDENT TRUMP, A SOURCE TELLS CBS NEWS SECURITY HAD BEEN STEPPED UP AT THE RALLY IN PENNSYLVANIA AFTER U-S INTELLIGENCE DETECTED A POSSIBLE IRANIAN PLOT. CORRESPONDENT NICOLE SKANGA. INFORMATION ABOUT THE THREAT STREAM RAISES FURTHER QUESTIONS ABOUT HOW AN ARMED INDIVIDUAL