MADISON, Wisconsin (Reuters) - After surviving two long, cold Wisconsin winters on the streets, Betty Ybarra traded freezing park benches and tents for a tiny house made of recycled wood she helped build herself. Her 99-square-foot home, which boasts flower window boxes, was built by volunteers of the Occupy Madison group, as part of about a half dozen similar projects around the United States, including in New York and Texas, to shelter the homeless. "We can check on our flowers and we can now try to live a normal life," said Ybarra, 49, who shares her new home with her...