New Delhi, Sept. 23 -- WASHINGTON - A Republican senator formally demanded on Tuesday that the Senate Judiciary Committee subpoena Donald Trump Jr., citing a ProPublica investigation that revealed a Russian oligarch with close ties to the Kremlin had secretly paid hundreds of thousands of dollars for the president's son's three-day wedding celebration in the Bahamas.

Senator John Curtis of Utah sent a letter to Judiciary Chairman Chuck Grassley asking the committee to compel testimony not only from Trump Jr. but also from Hunter Biden, placing the president's eldest son in the same investigative framework Republicans had deployed against his Democratic predecessor's family for years. Curtis acted the same day President Donald Trump was a...