Former President Donald Trump and two of his children must testify in an investigation being conducted by New York Attorney Letitia James into the Trump Organization, a judge ruled on Feb. 18. Trump’s lawyers argued that the probe violates the U.S. and New York constitutions and thus the subpoenas issued against him and his children should be quashed but New York Supreme Court Judge Arthur Engoron disagreed. Engoron said he’s considered the arguments “and finds them to be unavailing and/or non-dispositive.” James, a Democrat, “has the clear right” to question under oath principals of an entity after uncovering “copious evidence of possible financial fraud,” he added in his 8-page ruling. Trump, Ivanka Trump, and Donald Trump Jr. must sit for depositions within 21 days of the order. However, each can invoke their Fifth Amendment rights, the judge said. Trump Jr. and his sister have served as executives at the Trump Organization, …