White House National Security Adviser Jake Sullivan & Sen. John Barrasso Sunday on "This Week with George Stephanopoulos"

HEADLINERS

Jake Sullivan

White House National Security Adviser

(R) Wyoming

Exclusive

Sen. John Barrasso

Republican Conference Chair

(R) Wyoming

Exclusive

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TRUMP INVESTIGATION PANEL

Dan Abrams

ABC News Chief Legal Analyst

Sarah Isgur

Former Justice Department Spokesperson

ABC News Contributor

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POWERHOUSE ROUNDTABLE

Chris Christie

Former New Jersey Governor

ABC News Contributor

Donna Brazile

Former DNC Chair

ABC News Contributor

Rachel Scott

ABC News Congressional Correspondent

Julie Pace

Associated Press Executive Editor

Plus, insights from our new ABC News/Washington Post poll

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