By Patricia Zengerle WASHINGTON (Reuters) – The congressional committee investigating the Jan. 6, 2021, attack on the U.S. Capitol issued a subpoena on Thursday to Kimberly Guilfoyle, a U.S. television personality who is engaged to be married to Donald Trump Jr, the eldest son of the former president. Guilfoyle, who worked on Trump’s 2020 presidential campaign, abruptly ended an interview with the Select Committee on Feb. 25, criticizing House of Representatives members who were present. Her attorney issued a statement afterward saying Guilfoyle had agreed to meet only with attorneys for the D…