Former vice president Joe Biden’s son Hunter Biden might have benefited from his father’s position [“The Ukrainian gas tycoon and the vice president’s son,” front page, Sept. 29]. If true, that is not right. At the same time, it is a matter of public record that President Trump’s daughter Ivanka Trump has benefited from her father’s position. How many millions are her Chinese trademarks worth? Ms. Trump’s trademarks include voting machines and nursing homes, considered traditionally essential components of the Ivanka Trump fashion brand, apparently.