bloomberg unplugged at the nathan s hot dog wagon. seems he couldn t stomach the puns, like let me be frank. it s going to be a dog fight. and i ll relish it. it s bloomberg like we ve never seen him. also you can see the sparks flying all over the place. it was raining fire down on us. on the frontlines, colorado firefighters taking cnn with them as they fight the fires home by home. the fire chief telling the denver post this morning he knew the fire would happen, that it was a monster ready to awaken and kill. and on this independence day, what s your definition of a hero? our men and women in the military? your mom, your dad? think about it. it s our talk back question of the day. newsroom begins right now. i m carol costello. happy, happy fourth of july. good morning to you. right now, crowds are gathering and parades are gearing up in small towns and big cities across the country. but millions of americans will be missing one holiday tradition this year, fir