Wyoming Republican Rep. Liz Cheney, whose criticism of former President Donald Trump led to her ouster from House Republican leadership, said Friday that her role as a member of Congress obligated her to oppose the widespread lie of fraud in the 2020 election.Wyoming Republican Rep. Liz Cheney, whose criticism of former President Donald Trump led to her ouster from House Republican leadership, said Friday that her role as a member of Congress obligated her to oppose the widespread lie of fraud in the 2020 election.