WASHINGTON—President-elect Joe Biden will be sworn in as president on Jan. 20 amid unparalleled security measures and the pandemic lockdown, making it one of the most untraditional inaugurations in the U.S. history. Like many predecessors, Biden is going to be sworn in on the steps of the Capitol Hill. But the traditional parade down the Pennsylvania Avenue that normally draws hundreds of thousands of Americans is cancelled this year. It is replaced by a virtual parade. Inaugural balls have been canceled, as well. The viewing stand near the White House has been dismantled, making this event likely the smallest inauguration in history, in terms of physical attendance. Despite low turnout, the event will be unusually tight in security and law enforcement. This inauguration is unique in its own way, according to David Pietrusza, political historian, author, and expert on presidential electoral history. In terms of people being so on edge, …