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McCain, Washington, USA - 27 Aug 2018

Sen.John McCain‘s desk, draped in black and bearing a vase of white flowers, served as a quiet homage to the latewar heroand longtime politician in the Senate chamber in the wake of his death.

McCaindiedon Saturday at age 81 after discontinuing treatments forbrain cancer. On Monday, his widow —Cindy McCain, 64 —tweeted a photo of her late husband’s Senate deskandcaptioned it with a single crying emoji.

McCain’s colleagues — including Senate Majority LeaderMitch McConnell, Senate Minority LeaderChuck Schumer, and Arizona Sen.Jeff Flake— spoke of the late politician on Monday, with his decorated desk in the background,according to ABC News.

Among his remarks, Flake said of McCain, “He recognized democracy was hard but living in bondage to tyranny was far harder. Our words are too often cheap and imminently forgettable but John McCain paid our freight with his body and with his soul.”

“To our shame, he lived long enough to have to take to the Senate floor to inveigh against the rank tribalism that we have fallen into lately,” he continued, according to ABC News.

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Arizona Gov. Doug Ducey, 54, may appoint McCain’s widow to fill his seat until a 2020 special election, a Capitol Hill sourcetold PEOPLEthis week.

“Rumors are circulating that Cindy could step in, but other names are being floated too,” the source said. “Some are more or less qualified than others.”

The source continued: “There are times on the Hill when politics matter. This is one of those times. Everyone is waiting to see what happens.”

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Cindytweeted about her husband over the weekendfollowing his death.

source: people.com