No he didn’t.
Oh yes he did (posted in full; bolds are mine; video at link):
President Obama told reporters in Sweden Wednesday that he never “set a red line” when it came to deciding to intervene militarily in Syria.
That claim directly contradicts Obama’s remarks in August of last year, when he announced his “red line” for action in Syria during a White House press conference.
Who do you believe, Obama or your lyin’ eyes and ears?
Obama also dismissed concern Wednesday that his credibility is at risk if the United States fails to intervene in the country following evidence that Syrian President Bashar al-Assad gassed thousands of his own people last month.
“My credibility is not on the line,” Obama said Wednesday. Instead, Obama said, the international community and the American Congress — who Obama has asked to authorize action in Syria — both face credibility risks.
Uh, Obama’s credibility is on the line. A red line.
Maybe this is a strategy to keep the “red line” out of establishment press reports, in the hope that his press apparatchiks will never ever tell their readers about it again — because to do so would me that they have to bring up the preposterous statements above.