President Barack Obama to tell foe-to-friend story at Hillary Clinton event

From bitter rivals to then allies and colleagues, President Obama plans to tell the story of how he eventually warmed up to Clinton – to make the case that the country should too.

Obama and Clinton will appear together for the first time this campaign cycle on Tuesday, where they will show of a new phase of their storied relationship: co-dependents.

Clinton's chances of winning the White House hinge on rallying Obama's coalition to her cause.

Obama's legacy depends on her success.

Eight years after they spent millions tearing each other down in pursuit of the White House, they will now spend countless words and four months selling each other to the public.

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