CNN CNN Newsroom With Carol Costello July 3, 2015 13:05:00
Terror concerns -- that scare earlier this week at the navy yard turned into a swift huge security response. police and secret service shooed tourists out of the area. some described yesterday's response as a valuable dress rehearsal just in case. what are they talking about today? obviously they've got the most security there. any concerns? >> reporter: no fresh concerns today, upon pi. today. we know that hundreds of thousands are coming to d.c. to watch the fireworks displays. we do know that d.c. police have boosted their security in both seen and unseen ways. i think that was a big indica...