What's more annoying, the Third Way or Politico's willingness to keep giving them a megaphone, no matter how irrelevant they become? If she wins the presidency, [Hillary] Clinton would likely enjoy the shortest honeymoon period of any incoming commander-in-chief in recent history, according to Washington strategists, confronting major roadblocks to enacting her ambitious agenda, as well as Republican attacks that have been muted courtesy of the GOP nominee. "It will be the defining fact of her presidency," Jonathan Cowan, president of the moderate think tank Third Way, said of Clinton's problem of entering office with a divided Congress.