For its sixth political town hall of 2017, CNN will host Sens. John McCain (R-Ariz.) and Lindsey Graham (R-S.C.) on Wednesday, Mar. 1 at 9 p.m. ET. The McCain-Graham event is scheduled for the day after President Trump’s first address to a joint session of Congress. CNN chief political correspondent Dana Bash will moderate it before a live studio audience at George Washington University in Washington, D.C. "McCain, Senate Armed Services Chair, and Graham, Chairman of the Senate Subcommittee on Crime and Terrorism, will discuss key issues facing the country including America’s place on the world stage, U.S. Russian policy,...