hero's parade. claudia has more. claudia. >> reporter: jenna, in the three weeks since the three young men stopped the terrorist attack and saved countless lives, they are celebrated around the world for their braveries. this is the main event. a hero's parade. and cheers will fill the air when the three young men take the stage in the rally to tell. spencer stone, 22 year old alex schoolarto. and 23-year-old anthony sadler in the university. they overpowered a gunman who raced through the car opening fire. the shooter was armed with an ak 47 and a box cutter and pist