2/2 - Sen. Mark Warner, Sen. Bernie Sanders, Rep. Brian Mast

Secretary of State Marco Rubio is in Panama as part of his first official foreign trip as President Trump announces massive tariffs on Mexico, China and Canada. Ed O'Keefe reports from Panama. Amid the Trump administration's move to offer "deferred resignation" to 2 million federal workers, Sen. Mark Warner says the situation has caused "chaos on steroids" for government employees. GOP Rep. Brian Mast of Florida, the new chairman of the House Foreign Affairs Committee, tells "Face the Nation with Margaret Brennan" that he is working with Secretary of State Marco Rubio to "make sure there is appropriate command and control" of USAID and similar agencies. He added that he is "absolutely" in favor of USAID being folded into the State Department. Sen. Bernie Sanders, an independent who caucuses with Democrats but has praised some of Robert F. Kennedy's remarks on the food industry, tells "Face the Nation with Margaret Brennan" that he is "not particularly happy" with Kennedy's performance at his confirmation hearing last week. "Anybody who watched that hearing understands my deep concerns about Kennedy," Sanders said. As sources say senior FBI officials have been asked to resign or retire from top positions and others who investigated the Jan. 6 riot are undergoing review, former FBI assistant director for counterintelligence Frank Figliuzzi says they make "America less safe when you lose that much expertise that quickly." Hanna Siegel, the niece of Keith Siegel, an Israeli-American hostage who was freed by Hamas on Saturday, tells "Face the Nation with Margaret Brennan" that she is worried because the ceasefire is a "really fragile deal."John Dickerson, "CBS Evening News" co-anchor and presidential historian, reflects on how presidential reactions to national tragedies can "live in our collective memory" — and how President Trump's "hour of anguish" only lasted a few minutes as the president moved on to assigning blame.