The 5 top 2020 stories you need to know this week

(CNN)With 92 days until the Iowa caucuses and a record number of Democratic candidates, the 2020 election is already in full swing. Every Sunday, outline 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. But here we are. Yang, the technologist who has based his entire campaign on the dangers of automation and the idea of giving every American 18 years of age or older $1,000 a month for their entire lives, continues to gain strength — in terms of polling and fundraising — even as better-established candidates, like O’Rourke, are dropping from the race …