CNN The Lead w/ Jake Tapper

WH faces 5pm deadline to say if it will participate in hearings; Next public impeachment hearing scheduled for Monday; Democratic leaders prepared for impeachment defections; Minutes way: Deadline for White House to announce if it will participate in impeachment hearings; Giuliani confirms he went to Ukraine to dig or dirt on Bidens; White House spokesman on Giuliani: To my knowledge, Giuliani is still Trump's attorney; White House says it won't participate in impeachment hearing; Biden campaign embraces more aggressive tone as Iowa caucuses gets closer;

Pelosi: Trump has left us with "no choice" but to proceed with Articles of Impeachment; Sources: House could vote on four Articles of Impeachment in two weeks; Pelosi fires back over whether she hates Trump: "I don't hate... don't mess with me" on that; Sources: Democrats considering articles on abuse of power, bribery, obstruction of Congress & justice; Sources: White House legal team mounting robust defense for likely Senate trial; Sources: Trump legal team plans to dig in on unproven Biden corruption claims in Senate trial; Ukrainian lawyer claims he met with Giuliani in Kiev today; WH won't say why Giuliani appeared to repeatedly call OMB; Joe Biden angrily confronts voter over age, Ukraine claims; Joe Biden says world is laughing at Trump in new ad; Nearly 700,000 Americans could lose food stamps under new policy;

Constitutional experts testify at Judiciary impeachment hearing

House Intel Impeachment Report: "Evidence of the President's misconduct is overwhelming; House Intel Report: Trump "placed his own personal & political interests above those of the United States; House Intel Rpt: "Unprecedented" obstruction of impeachment inquiry risks "grave harm" to balance of power; House Intel Rpt: "Months-long campaign" for Trump's personal gain involved Pence, Pompeo, Mulvaney, other senior staff; Trump refuses to commit to defending "delinquent" NATO allies; Romney: Intel shows Ukraine did not interfere in 2016; State Dept Official: Not aware of any evidence Ukraine interfered in 2016 presidential election; New to CNN: GOP Sen. Kennedy says he's done talking about Ukraine after pushing false story;

Nadler: WH should stop blocking witnesses, provide any "exculpatory" evidence; Trump lawyer on participating in hearing: we have no info on dates, witnesses, or rules; Soon: House intel committee members to review impeachment report; House judiciary holds first impeachment hearing Wednesday; WH faces Friday deadline to decide if it will participate in future impeachment hearings; Ukraine's president on aid: "We're at war. If you're our strategic partner, then you can't go blocking anything"; Top judiciary republican calls on Schiff to testify; Former FBI lawyer Lisa Page responds to Trump attacks; How chief justice John Roberts might oversee impeachment trial; CNN poll: half of Americans say Trump should be impeached and removed from office; Trump praises GOP Sen. Kennedy for pushing debunked claims that Ukraine, not Russia, interfered in 2016 election; GOP report: Dems didn't show proof of Trump bribery, extortion; Prosecutors "likely" to file additional charges against Giuliani associates; House judiciary announces witnesses for Wednesday's hearing; Trump heads to NATO, calls on allies to pay more; Trump has no planned meeting with British PM Boris Johnson; Source: NATO not called a "summit" this year to avoid a need for formal joint statement; Supreme court hearing first gun case in nearly ten years; Biden's "no malarkey" tour kicks into gear as Buttigieg surges; CNN poll: Biden leads nationally as Buttigieg rises; Sestak and Bullock drop out of 2020 race; Klobuchar lining up surrogates if there's impeachment trial; Iran facing deadliest political clashes in 40 years; More than 200 killed during Iran anti-govt protests