The impeachment inquiry has taken center stage in Washington, DC. While some other business is getting done, it is a focal point. The House Intelligence Committee concluded five days of witness testimony. Now the proceedings move to the House Judiciary Committee, beginning on Wednesday.

Meanwhile, the Democratic presidential candidates are campaigning hard in advance of the Iowa caucuses. And there have been some surprising developments in who’s up  and who’s down. Political Junkie Ken Rudin joins Insight to share his latest observations and recent poll numbers.