The impeachment process is starting to get very real  —  (CNN)With 64 days until the Iowa caucuses and a record number of Democratic candidates, the 2020 election will be here before you know it.  Every Sunday, I deliver to your inbox the 5 BIG storylines you need to know to understand the upcoming week on the campaign trail.

The Trailer: The electorate that Biden and Buttigieg see  —  In this edition: Biden's hands-on pitch to Iowa, the Working Families Party drama, and the Warren-Buttigieg battle that wasn't.  —  There are simply not enough stuffing-centric holidays on the calendar, and this is The Trailer.

POLITICO Playbook: Washington's December nightmare  —  DRIVING THE DAY  —  WE'VE COVERED A LOT OF DECEMBER LEGISLATIVE NIGHTMARES.  This one might be the worst.  Not only are there a ton of issues, but there are also a ton of explosive and contentious issues on a collision course.

White House will not participate in Judiciary Committee hearing  —  (CNN)Neither President Donald Trump nor his attorneys will participate in Wednesday's House Judiciary Committee impeachment hearing, they said late Sunday.  —  In a letter to Chairman Jerrold Nadler, White House counsel …

How to think about Trump's two big trade deals  —  Between the lines ... 1.  On USMCA: The passage of USMCA depends on the ability of House Speaker Nancy Pelosi, organized labor and the Mexican government to come to a compromise.  — The Mexicans have long said there's no way they're …