Cambodia opposition leader Rainsy resigns from party

By Prak Chan Thul PHNOM PENH (Reuters) - Sam Rainsy resigned from the presidency of Cambodia's leading opposition party on Saturday, shortly after Prime Minister Hun Sen threatened legal changes that appeared to target his main opponent ahead of polls. Hun Sen said this month that a law was being amended to stop anyone convicted of an offence from running for office for five years, effectively barring his main rival from elections. Courts that critics say are influenced by Hun Sen have convicted