The congressional committee investigating the Jan. 6 attack on the Capitol on Monday asked three more Republican lawmakers to voluntarily cooperate. The panel asked Rep. Mo Brooks of Alabama, Rep. Ronny Jackson of Texas and Rep. Andy Biggs of Arizona to come forward to answer questions. “As we work to provide answers to the American people about that day, we consider it a patriotic duty for all witnesses to cooperate,” Rep. Bennie Thompson, D-Miss., and Rep. Liz Cheney, R-Wyo., said in a statement. The committee said it wants information from the three staunch supporters of former President Do…