Commentary This is the fourth essay in a five-part series. This essay explains how lawmakers in swing states can contain local corruption in presidential elections: by changing how their states choose presidential electors. This is the fourth in a five-part series on how to cleanse our presidential contests from the kind of irregularities we saw in 2020. There is a long history of big-city Democratic Party machines corrupting American elections. When the political stars are aligned correctly, those machines can award the presidency to a candidate who really lost. It is said that the classic script was written by Chicago Mayor Richard Daley in 1960. Most of Illinois voted for the Republican presidential candidate, Richard Nixon. One version of events says that Daley knew this was going to happen, so he allegedly held back Chicago’s vote totals until he saw how many votes the Democratic candidate, John F. Kennedy, needed …