Soldiers returning from the Pacific wave from the deck of the USS General Mitchell on Dec. 11, 1945. Much of the health care demand in the VA system is from veterans of earlier wars. AP hide caption

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Sen. John McCain discussed the Veterans Choice Act at a news conference on Tuesday, with fellow Arizona Republican Sen. Jeff Flake. Mark Wilson/Getty Images hide caption

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Secretary of Veterans Affairs Eric Shinseki addresses the National Coalition for Homeless Veterans in Washington, D.C., Friday, shortly before he resigned under bipartisan pressure. Win McNamee/Getty Images hide caption

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Tom Tarantino, chief policy officer at Iraq and Afghanistan Veterans of America, speaks at a news conference on Capitol Hill Thursday about holding the Department of Veterans Affairs accountable. Mark Wilson/Getty Images hide caption

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