John McCain

From left, Sen. Russell Feingold, D-Wis., Sen. Susan Collins, R-Maine, Sen. John McCain, R-Ariz., Sen. Hillary Clinton, D-N.Y., and Sen. Lindsey Graham, R-S.C., sit together during a press briefing in the Green Zone February 19, 2004 in Baghdad, Iraq. They were part of a United States Congressional delegation who visited Iraq and met with the country's interim government leaders and U.S. soldiers. (Photo by Joe Raedle/Getty Images)

Hillary Clinton: I’ve worked well with John McCain, Lindsey Graham

Kelly Cohen · June 16, 2015 3:00 pm

Soldiers with the Kurdish peshmerga walk at an outpost on the edges of Kirkuk on July 3, 2014 in Kirkuk, Iraq. (Photo by Spencer Platt/Getty Images)

Arming the Kurds, sex assault top Tuesday’s defense debate

Charles Hoskinson · June 16, 2015 4:01 am

A military officer walks from the entrance to Camp VI at the U.S. military prison for 'enemy combatants' on June 25, 2013 in Guantanamo Bay, Cuba. (Photo by Joe Raedle/Getty Images)

White House mum on working with McCain to close Gitmo

Susan Crabtree · June 15, 2015 7:49 pm

Republican presidential hopeful Sen. Lindsey Graham, R-S.C., greets guests at a Roast and Ride event hosted by freshman Sen. Joni Ernst, R-Iowa, on June 6, 2015 in Boone, Iowa. (Photo by Scott Olson/Getty Images)

Obama’s ISIS tweak leaves GOP critics warning of impending disaster

Susan Crabtree · June 11, 2015 2:31 pm

Sen. John McCain, R-Ariz., speaks with members of the Republican leadership about the Defense Authorization Bill following caucus luncheons at the U.S. Capitol June 9, 2015 in Washington. (Photo by Win McNamee/Getty Images)

National Security

McCain compares Obama’s anti-ISIS tactics to Vietnam

Pete Kasperowicz · June 10, 2015 4:09 pm

Kasich isn't the first Republican presidential contender to face political blowback in an early primary or caucus state over a staffing decision.

Beltway Confidential

Can Kasich avoid McCain, Huntsman mistakes in 2016?

W. James Antle III · June 10, 2015 11:57 am

"Despite the claims that OCO is a slush fund, the entirety of the OCO budget goes towards real defense requirements," saidÂ Sen. John McCain, R-Ariz. (left). Sen. Jack Reed D-R.I. (right), wants to removeÂ remove $38 billion from the OCO.Â (Photo by Mark Wilson/Getty Images)

Senate kills Dem plan to cap defense spending

Pete Kasperowicz · June 9, 2015 8:19 pm

Marine Corps Sgt. Danielle V. Beck fires an M41A4 Saber missile launcher during a live-fire exercise on Marine Corps Base Camp Lejeune, N.C., Jan. 14, 2015.Â (U.S. Marine Corps photo by Sgt. Alicia R. Leaders)

National Security

Senate set to rumble on defense ‘slush fund’

Pete Kasperowicz · June 9, 2015 4:01 am

President Barack Obama and German Chancellor Angela Merkel attend a meeting of the G-7 leaders on March 24, 2014 in The Hague, Netherlands. the next G-7 meeting is this weekend in Germany (Photo by Jerry Lampen - Pool/Getty Images)

G-7 expected to disappoint on Russia

Nicole Duran · June 6, 2015 4:01 am

Senate Armed Services Committee Chairman John McCain is taking aim at the $49 million the National Guard spent on sports sponsorships in 2014. (AP Photo)

National Security

Will Obama blow his last chance to close Gitmo?

Susan Crabtree · June 5, 2015 4:01 am

In this image taken Friday, May 29, 2015, Iraqi anti-terrorism forces battle with Islamic State group extremists as they defend their base against Islamic State group extremist attack outside Fallujah. (AP Photo)Â

Obama administration’s body count claim backfires

Susan Crabtree · June 3, 2015 11:07 pm

Senate Armed Services Committee Chairman Sen. John McCain, R-Ariz., bangs the gavel to start the committee's hearing to examine global challenges and US national security strategy, Wednesday on Capitol Hill in Washington. (AP Photo/Cliff Owen)

Senate takes up controversial defense ‘slush fund’

Charles Hoskinson · June 3, 2015 4:01 am