Former child star Mark Lester claims he's the biological father of Michael Jackson's daughter Paris, who shows a striking resemblance to one of his children. Lester is a longtime friend of Jackson, and says the King of Pop once asked him to donate sperm. He told the British tabloid "News of the World" that he agreed and gave a sample to a London clinic. In a video interview posted on the tabloid's website, Lester said he came forward with his claim because he has "concerns about the welfare and upbringing of the children." "It's a contact issue," he said. "I...