Former President Barack Obama kept his promise and returned to the campaign trail, rallying in Michigan for Democrat Senate candidate Abdul El-Sayed. As we pointed out previously, the visit was a clear sign El-Sayed knows he's in trouble, if not desperate. El-Sayed spent nearly a decade calling Obama's presidency a failure, and now he needs the man he trashed to rescue his campaign. So it's hardly surprising that, as PJ Media's Tim O'Brien noted, Obama's speech seemed more self-serving than focused on El-Sayed. The former president used the stage to settle scores, and he saved his sharpest jabs for President...