nbc is a musays is a must-win fp and a record number of people and a look at a crowded polling place in hialeah, florida. this is this morning. not as crowded in the shop but you see it there. kerry sanders joining me now from tampa, florida. so kerry, talk to us about the recognition and the importance always of florida but this time around in such a different way. >> reporter: you know, i mean, really where i'm standing in tampa and hillsborough county, 19 of the last 20 presidential elections have been called here. so if you're going to watch a county, it's here. i'm along what's known as the i-4 corridor. that's interstate 4 from tampa bay to the east coast at daytona. this is the real battleground. to the north, it's generally conservative. but along this i-4 corridor, population at about 15 counties