Obama to Court African-Americans for Clinton Concern that key voting block is not turning out prompts president to return to the stump. President Barack Obama plans to spend the rest of this week campaigning for Hillary Clinton, aiming to generate massive turnout among fellow Democrats and especially among African-Americans whose enthusiasm for Clinton seems to be lagging. Obama campaigned for Clinton, the Democratic presidential nominee, in Ohio Tuesday, and he plans to stump for her in North Carolina Wednesday and Florida Thursday. All of these are important battleground states where the race between Clinton and Republican nominee Donald Trump is...