THROUGHOUT OUR conversation, Lucas kept returning to the question of how exactly she should use what she repeatedly and frankly calls her power, by which she means her personal magnetism as well as her ability to make art. She doesn’t know exactly what it is or what it’s for. Making objects is not a compulsion for Lucas, though she does like the way her sculptures externalize ideas. What she’s looking for, she thinks, are fertile environments, situations with potential. “Really,” she says, “the point of art for me was that I wanted to carry on talking and thinking with other people.”