Christina Carreira made the trip across the Blue Water Bridge separating Port Huron in Northern Michigan from the Canadian town of Sarnia so many times that border officials came to know her by name. They would ask how practice went. How she fared in her latest competition. What was next for Carreira and Anthony Ponomarenko, her long-time ice dance partner, and whether they’d heard any news as the Milan Cortina Olympics approached. “Most of them were very friendly,” Carreira says. The news the