Sen. John McCain (R-AZ) (2nd L) speaks as (L-R) Sen. Jeff Flake (R-AZ), Sen. Marco Rubio (R-FL), Sen. Richard Durbin (D-IL), Sen. Chuck Schumer (D-NY), Sen. Bob Menendez (D-NJ), Sen. Lindsey Graham (R-SC), and Sen. Michael Bennet (D-CO), also known as the Gang of Eight