The New Canaan Historical Society is proud to present its first day - and night - at the movies. On Wednesday, November 14th, Mr. Blandings Builds His Dream House will be shown at 11 am, 2 pm and 6 pm in the Lindstrom Room. This 1948 romantic comedy centers on a couple who decide they are finally ready to build the perfect suburban home. It stars Cary Grant, Myrna Loy and Melvyn Douglas and runs an hour and thirty-four minutes.…