President Trump’s campaign has powered ahead with lawsuits in several states, challenging voter fraud and technical problems. Depending on the facts of each case, Trump may be right to do so — and for reasons that are much bigger than himself or his campaign. Election integrity is fundamental to our republic; the government’s legitimacy depends on it.

What happens in 2020 will set a precedent for future elections. It is critical that everyone understands how elections are conducted and what controls and safeguards are in place to assure voters that the process is fair and the results are trustworthy.