it also included joe biden and ohio governor john casase. it's unclear what they discussed. >>> preventing the routine use of human antibiotics in animal feed. it's proposed as a new law. it. the resis tan -- resistensy is said to be passed on to humans. >>> thousands of people came together in san francisco today to celebrate history. the june team festival kicked off with a parade that led spectators to philmore street commemorating the end of slavery. >> today is a day of unity. today is a day of the first day of freedom for all of us. >> organizers say it's the biggest gathering of african american in northern america. the festivities will continue tomorrow. >>> that was not the only festival bringing the city to life today. the 57th annual north beach festival began this morning in washington square park. the 2-day event features live entertainment, gourmet food and unique art. organizers call it one of the original outdoor festivals, and festival goers say it's a great way to celebrate the italian culture. >> ial i -- italian chalk art