Mrs. Dot Turner has worked at what is now Sensata Technologies in Downstate Freeport for 43 years. The company does sophisticated work creating sensors for automobiles. It enjoyed record profits last year. But not enough for its owner — Bain Capital — which is moving the jobs and the machinery to China. When Sensata brought Chinese workers into the plant to be trained by those whose jobs they would take, the workers at Sensata protested. “When we started to demonstrate, they got those workers out of here,” Mrs. Turner told me. The Sensata workers called on Mitt Romney — an …