WASHINGTON (AP) — Michelle Obama has a new look, both in person and online, and with the president's re-election, she has four more years as first lady, too. That's got many people wondering: What will she do with them? Take on a new cause? Travel more? Trace the path of another first lady and keep the Obama political brand alive by running for office? The answers are to be determined. The first lady is trying to figure out what comes next for this self-described "mom in chief" who also is a champion of healthier eating, an advocate for military families,...