CNN The Lead w/ Jake Tapper

Shutdown talks devolve into bickering between Trump and Pelosi; Democrats vow to investigate new Buzzfeed allegation; Sources: Trump startled by cozy Barr-Mueller relationship; New Yorker cover depicts Trump walling himself in; George W. Bush delivers pizza to his Secret Service agents; Dem Sen: memo proves DHS Secy lies about family separation policy, requests FBI perjury investigation; Secy Pompeo defends bringing wife on trip during shutdown

Trump denies military aircraft for Pelosi's war zone trip, calling it a "public relations event" and blaming shutdown; Trump denies military aircraft overseas Pelosi trip after she urges him to move State of the Union address; Trump writes letter to Pelosi: I'm canceling your trip; Recent polls show voters blame Trump, not Dems for shutdown; Dem leaders react after Trump cancels Pelosi's overseas trip; Democrats call out Giuliani's evolution in "no collusion"; Giuliani: I did not intend to send new signals with remark about Trump campaign collusion; CNN on the ground in Syria as fight against ISIS rages on

National Parks can't prep for busy season due to shutdown; Economic analysts: shutdown impact may be too pricey to fix; 46,000 IRS workers called back, forced to work without pay; Gov't deems furloughed workers "essential" to soften impact; US officials say no plans to reverse Syria decision; Sen. Gillibrand joins already-crowded Democratic field; Sen. Brown says he's "ideally suited" to win in Midwest; O'Rourke criticizes Trump immigration policies, but gives few answers on how to fix them; Women have already made history in the 2020 Dem primary; Scientists: 2018 ocean temps hotter than ever

Barr: "vitally important" that Mueller complete his investigation; Barr breaks with Trump: Mueller probe not a "witch hunt"; Trump acting AG to appear before house judiciary next month; House votes to disapprove of Rep. King following racist comments; Sources: Kristen Gillibrand to enter 2020 Presidential race; Dem: is Trump trying to solve shutdown or get photo op?; What will be shutdown tipping point for Washington?; Trump tries to buck the blame of shutdown in tweet storm; NYT: Trump repeatedly discussed pulling out of NATO in 2018; Trump has repeatedly called NATO "obsolete"; Trump: NATO allies must pay more towards defense; British lawmakers reject Theresa May's Brexit deal

President Trump denies he's working for Russia, hiding details of his conversations with Putin; Wash Post: Trump concealed details of talks with Putin; Source: Trump won't budge "even an inch" in wall fight; McConnell: King's comment "unworthy" of his position; Trump: "I haven't been following" Rep. King racism drama; Trump quotes Buchanan's white nationalist case for border