The top 5 2020 stories this week, ranked

(CNN)With267 daysuntil the Iowa caucuses and a record number of Democratic candidates, the 2020 election is already in full swing.Every Sunday, I will preview the 5 BIG storylines you need to know to understand the upcoming week on the campaign trail. And they’re ranked — so the No. 1 story is the most important of the coming week. I mean, does it get any worse than that? If so, how??  4. Happy commencement season!: It’s May, which means college graduations. And commencement speeches. And, of course, presidential aspirants angling to give those speeches in key early primary and caucus states. New Jersey Sen. Cory Booker kicked things off Friday with a commencement address at South Carolina State University. “Life is not about …