KAMPALA, March 3 (Reuters) - Days after Uganda's parliament ordered an investigation last month into the alleged promotion of homosexuality in schools, a video appeared online identifying Kampala resident Eric Ndawula as gay. There's a lot of blackmail and extortion by law enforcers," said Frank Mugisha, an LGBT rights activist whose charity was shuttered last year. On Tuesday, MP Asuman Basalirwa was given leave of parliament to prepare a new anti-LGBT law that he told Reuters would criminalise a range of activities, including "aiding, abetting, promoting, recruitment (of people) into" homosexuality