“If the altered demographic profile of the two parties in the 2016 election—almost perfectly replicated in the 2018, 2020, and 2022 elections—is signaling America’s newest political realignment, it would be the first since the Nixon-Reagan elections of 1968 to 1980, roughly forty to fifty years earlier. By Walter Dean Burnham’s count (as we saw in Chapter 4), that would suggest America is now moving into its seventh party system.”