(14 Feb 1995) STORYLINE: T/I: 10:57:25 With the birth of its 1,200,000,000th citizen, China on Tuesday (14/2) began a major new crusade against multiple-child families in its rural population and among migrant workers where controls are failing. In Beijing's Great Hall of the People, Chinese Vice Premier Zou Jiahua was greeted by a group of children painting a map depicting China's overpopulation. The State Council on Monday (13/2) approved the State Family Planning Commission's programme for