[...] as Democrats looking to fire up female voters, Michelle Obama and Hillary Clinton were firmly bonded on Thursday. In their first joint appearance on the campaign trail, Mrs. Obama and Clinton talked up their shared respect, common values and singular goal: With Mrs. Obama aiming to secure her husband's legacy and Clinton needing to propel women to the polls, the two women sought to celebrate their political marriage of mutual interest, and reassure voters it's real. Since she's emerged as Clinton's headline-grabbing surrogate, people wonder one thing, Mrs.