Accd to the Chicago Tribune:

"This was neat," she said of the outing. "I was happy to get to be invited to participate in this. For one, you need a little bit of levity in this job, especially with so much that has gone in the last couple of months that has been so political obviously that it's nice to get out and do something to promote a local business and to just participate in something that isn't so heavy-handed politics that it invites criticism. Certainly we'll probably invite criticism for even doing this, too, but at least this was fun."