by Jacquelyn Thayer This week’s Grand Prix Final features a fair range of U.S. and Canadian teams. In pairs, Canada’s Meagan Duhamel and Eric Radford and Julianne Séguin and Charlie Bilodeau will make repeat appearances; in dance, last year’s three U.S. entries — Maia and Alex Shibutani, Madison Chock and Evan Bates, and Madison Hubbell…