FOX 5 LIVE (12/18): Flynn sentencing for lying to FBI postponed to March; McSally to Ariz. Senate

Tuesday, December 18: Michael Flynn pleads guilty to lying to the FBI, judge accepts plea but sentencing is delayed until March 2019; V.P. Mike Pence speaks at what would have been a SpaceX Falcon 9 launch, which has now been postponed to Wednesday; Ariz. Gov. Doug Ducey appoints Martha McSally to take over Senate seat after Sen. Jon Kyl resigns on Dec. 31, effectively talking McCain's seat until a 2020 special election; Sarah Sanders gives on-camera White House press briefing at 1:30pmET; THIS and all other breaking news, and live events from FOX5DC's digital newsdesk. Molly Nevola hosts.