Melinda French Gates shared her thoughts on being a billionaire and her philanthropic responsibilities. What Happened: She described her wealth, estimated between $11 billion and $13.5 billion, as “surreal” and emphasized the responsibility it brings. Despite this, she noted that it doesn’t feel burdensome, in an interview with Vanity Fair published on Thursday. French Gates highlighted the “weighty part” as observing struggling mothers and determining how to utilize philanthropic and government resources to assist them. She has dedicated over 20 years to philanthropy through the Bill & Melind…