this gap between when we should start saving and when we actually do is one of the reasons why too many of us aren't prepared for retirement. just start as early as you can. it's going to pay off in the future. if we all start saving a little more today, we'll all be better prepared tomorrow. prudential. bring your challenges. welcome back to "the lead." i'm jake tapper. thanks to pamela brown for pinch-hitting for a few minutes. we had a couple technical problems. donald trump has been making some incendiary charges about the iraq/u.s. effort to reclaim mosul. on twitter mr. trump called the effort a disaster and suggested the campaign is being waged to