This passage from Gary Younge, writing in The Guardian, is worth keeping in mind whenever we have the opportunity to do great things and are instead steered towards ‘realistic’ things.

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A few days after John F Kennedy’s assassination, Lyndon Johnson sat in his kitchen with his key advisers working his first speech to Congress. It was the evening of Kennedy’s funeral – Johnson was now president. The nation was still in grief and Johnson, writes Robert Caro in The Years of Lyndon Johnson: The Passage of Power, was not yet able to move into the White House because Kennedy’s effects were still there.

He had been a hapless vice-president; now he had to both personify and project the transition from bereavement to business as usual. In the midst of the cold war, with Vietnam brewing, the Kennedy administration had been trying to get civil rights legislation and tax cuts through Congress. There was plenty of business to attend to. Johnson’s advisers were keen that he introduced himself to the nation as a president who could get things done.

For that reason, writes Caro, they implored him not to push for civil rights in this first speech, since it had no chance of passing. “The presidency has only a certain amount of coinage to expend, and you oughtn’t to expend it on this,” said “one of the wise, practical people around the table”. Johnson, who sat in silence at the table as his aides debated, interjected:

“Well, what the hell’s the presidency for.”