Which actor has done the Minnesotan accent best? Emma Thompson is the latest to give it a stab. Thompson stars in the thriller, “Dead of Winter,” which is set in rural Minnesota and opened in theaters Friday. The native Londoner drilled for the part not by way of a professional dialogue coach, but by going straight to the source: Aunt Tracy from Anoka County. Read more from columnist Laura Yuen @laurayuenreports about Thompson practicing the accent at the link in our bio. #minnesota #minnesotanice