The last few months of 2018 saw the Democrats take over the House of Representatives and Republicans retain control of the Senate; a flurry of revelations about the Kremlin's role in the 2016 election; an economy that may be beginning to stumble; and signals from numerous Democratic candidates that they are considering bids for the White House in 2020. These are all harbingers that 2019 will be as unpredictable and pivotal as 2018 has been.
Here's what to watch for in 2019 — and what to ignore:
Impeachment and the new Congress