take a look at this, live pictures coming in from an anti-donald trump protest tonight in new york city. you see people marching there. they're heading toward trump tower and 5th avenue, right in the middle of manhattan. that's the president-elect's home, business headquarters, trump tower by the way has already been turned into a heavily guarded stronghold. phil mattingly is on the scene for us. describe the scene for us right now. >> reporter: you've seen a number of changes over the last 48 hours. those protesters are just one of the reason law enforcement officials have major headaches on their hands. tonight, the residents of the president-elect, trump tower, is a fortress, ringed by tight security. the center of an increasingly worrisome question, how do you secure a 58-story skyscraper, smack in the center of one of the world's busiest cities? it's a question made even more