TAIPEI - Proposed Chinese legislation that would give a mandate for the reunification of Taiwan with the mainland would provide a legal basis for an attack on the island, Taiwan President Chen Shui-bian has said. Mr Chen, speaking for the first time on the mainland's proposal to adopt a reunification law, said he was very concerned about it. 'China is undertaking a legal battle. If Taiwan does not follow, it will undertake a military battle,' he was quoted by the United Daily News as saying during a visit to the southern county of Tainan late on Thursday. 'The reunification law...