Harold Holzer on Lincoln's Cooper Union Speech

This much is certain: Had Abraham Lincoln failed at his do-or-die debut in New York, he would never have won his party’s presidential nomination three months later, not to mention election to the White House that November. Such was the impact of a triumph in the nation’s media capital. Had he stumbled, none of the challenges that roiled his presidency would ever have tested his iron will. To paraphrase his own later words, he would likely have “escaped history” altogether.

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