Tokyo, Dec. 18 (Jiji Press)--Daiichi Sankyo Healthcare Co. said Thursday that it will start over-the-counter sales of an emergency contraceptive pill in Japan on Feb. 2, marking the first time in the country that such a pill will be sold without a prescription. There will be no age limit for purchasing the drug, Norlevo. For safety purposes, the pill must be taken in the presence of a train...