It was a jarring contrast. Donald Trump’s wife, not seen on the stump since her plagiarized convention speech, said as first lady she would work to end cyberbullying. Her call for “kindness, honesty, respect, compassion” was a tad different from her husband’s inflammatory online behavior. Meanwhile, Bill Clinton and Barack Obama are trying to fire up Black voters for Hillary Clinton amid signs of flagging enthusiasm. But one critical factor is buoying her campaign in an increasingly tight race: a surge of early voting in Latino communities.