Today is one of the most consequential primary days of the year, with nominating contests in five states \u2014 Idaho, Kentucky, North Carolina, Oregon and Pennsylvania \u2014 that will tell us a great deal about the direction of the two parties.\xa0\nThere are three major storylines that continue to dominate the 2022 primary season:\n\nDonald Trump's grip on the GOP\n\nProgressive challenges to Biden-like Democratic centrists\n\nThe rise of anti-democratic and extremist candidates\n\nAll three storylines collide in today\u2019s most-watched state: Pennsylvania.\nSubscribe to the POLITICO Playbook newsletter\nRaghu Manavalan is the Host of POLITICO's Playbook.Jenny Ament is the Executive Producer of POLITICO Audio.