When Cafe Montrose split up, one party, Catherine Duwez, went to The Broken Spoke on Washington, and the other party, Jeannine Pettas, opened up Jeannine’s Bistro. Having recently reviewed Broken Spoke [“Mussel Mania” November 26, 2009], I decided to give Jeannine’s a shot. Because Cafe Montrose had a semi-cult following,…