Move over, Medicare-for-all. Paid family leave enjoyed a moment in the spotlight at last night’s Democratic presidential debate. But unlike the issue of expanding health insurance – where there will be sharp fault lines between President Trump and the eventual Democratic nominee -- family leave may be less helpful in distinguishing the two candidates. That’s because Trump has also called in the past for paid leave. It took five Democratic debates – and an all-female panel of moderators – for the issue to get any airtime, even though paid family leave is popular among voters including Republicans. All the Democratic candidates on the stage have said they’d seek at least 12 weeks of guaranteed paid leave for workers caring for a newborn child, and some have gone further, saying new parents should get a minimum of six months off (check out The Post’s tracker to see where the candidates stand). My colleague Carol Leonnig, noting the leave question was asked by The Post's ...