IRVINE – UCI alumna Megan Braun has been named a 2011 Rhodes Scholar.The 23-year-old from Coronado will travel to Oxford University in England, where the scholarship will pay all expenses for a two-year master's program. The value of Rhodes scholarships, which were announced Sunday, averages about $50,000 a year.Braun completed her courses at UCI in July. She earned a degree in history with a min…