The Obama Foundation saw its largest donations so far this year come from repeat contributors who pledged to give even more money toward the organization’s vision, records show. The Crown Family, which owns a stake of the Chicago Bulls, real estate mogul and gay rights activist Mel Heifetz, and the Ford Foundation have made large million-dollar contributions before but agreed to repeat donations of more than $1 million each. The Obama Foundation reported one new donor of more than $1 million: Iger Bay Foundation, which is affiliated with the Disney family. The Obama Foundation was also given more than $250,000...