Rep. James Clyburn (D-SC) announced on Wednesday that he will be stepping down from a key leadership role in the House, in what could be a major shakeup for the Democratic Party’s congressional leadership team. Clyburn, 83, still intends to seek re-election to his congressional seat. However, he no longer intends to serve another term as Assistant House Democratic Leader. “Events of the last several years have made it clear that the greatness of America is at peril, and the threats to our continued pursuit of ‘a more perfect Union’ are real,” wrote Clyburn in his statement. “Yesterday’s result…