What is the fine-grained topic of the following text: Early in 1974, Kramer took a temporary leave from his position as Secretary of State to help lead a controversial $2 million food giveaway to the poor in California, which was organized by the family of kidnapped heiress Patty Hearst in response to demands from her kidnappers. Only return the topic.
Kramer's involvement in Patty Hearst family's food giveaway to the poor in 1974.