The other woman that Republican Rep. Rich McCormick is reportedly romancing after his 12-year marriage to oncologist Dr. Debra Miller is heading to divorce — unabashedly says they are “happily engaged in a relationship,” The Daily Mail reports. The outlet spoke with Rep. Beth Van Duyne (R-TX) on Friday and she cast both Rich and his scorned wife as “incredible people.” But she also made clear that she believes her new beau’s marriage had expired long ago. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: Delay, delay: Lauren Boebert keeping personal fin…