Tom and Suzie Wambeke of Whitefish and their daughters Rachel, 19, Abigail, 16, and Madison, 13, start Thursday’s TEDx Whitefish show with a performance of “Edelweiss” from the “Sound of Music.” The event at the Whitefish Performing Arts Center, titled “Defining the Last Best Place,” featured speakers from across Montana sharing their insights to help point the Flathead Valley down a path toward responsible economic development, resource conservation and inclusive citizenship.