After the election on Nov. 3, 2020, President J. Donald Trump and his allies tested the limits of the U.S. election system, launching pressure and legal campaigns in competitive states to have votes overturned — all the while exposing the system’s precariousness. Although the efforts weren’t successful, they appear to have been only the beginning of a wider attack on American elections. In the final part of our Jan. 6 coverage, we explore the threats to democracy that may come to bear in the next election.