In 1967, he was shot down over Vietnam. By 2008, he was making his second run for the presidency. Here's a look back at the incredible career of Sen. John McCain, who has died at age 81. https://cnn.it/2P6Hwf3 | CNN

This is John McCain's concession speech in 2008, after he lost the presidency to Barack Obama. He congratulated Obama, and motioned for his supporters to stop booing. “His success alone commands my respect for his ability and perseverance," McCain said. “And that he managed to do so, by inspiring hopes of so many millions of Americans who had once wrongly believed that they had little at stake or little influence in the election of an American president, is something I deeply admire and commend

Watch John McCain's 2008 concession speech to Barack Obama, a different era in politics | NowThis Impact