By Patricia Zengerle and Jan Wolfe WASHINGTON (Reuters) -The congressional committee investigating the Jan. 6, 2021, attack on the U.S. Capitol announced on Wednesday it had subpoenaed former White House trade adviser Peter Navarro, a key player in then-President Donald Trump’s effort to overturn his election defeat. The House of Representatives committee said it is seeking records and deposition testimony from Navarro who, according to public reporting, interviews and his own book, was involved in efforts to delay Congress’ certification of the 2020 election. “Mr. Navarro appears to have info…