Peter Baker @peterbakernyt
Trump campaign notes that incumbent party canceled some primaries in 1992, 1996, 2004 and 2012, which is true. It's also true that only in one of those years, 1992, did incumbent president face a meaningful challenge. @anniekarni @maggieNYT https://t.co/0l5n13nwiu — PolitiTweet.org