DENVER (AP) — Republican Sens. John McCain and Lindsey Graham will discuss how the U.S. should respond to extremism at a joint appearance in Denver.

McCain and Graham will speak Wednesday at a session moderated by Fox News Channel's White House correspondent Ed Henry.

McCain, of Arizona, is chairman of the Senate Armed Services Committee. Graham, of South Carolina, is a member of the committee.

Graham considering a run for the GOP nomination for president.

Wednesday's event is sponsored by The Denver Post and the Counterterrorism Education and Learning Lab.

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