tonight on three 60, new cnn polling which shows which republican candidate does better against president biden, what she likely owned faced him, and what voters make of their choices. also, tonight at the mother of a school shooter on trial for involuntary manslaughter takes the stand, what she said today in defense of her parenting. and later, just in time for our election, cnn s donie o sullivan brings us the story of a recent election elsewhere which was touched by a.i. deepfake technology. the candidate is warning us to brace for impact here. good evening everyone, john berman here in for anderson. we begin tonight with fresh evidence from anyone who believes or better or worse that the republican party is not on its way to nominating the strongest candidate against president biden. new cnn polling, now as with all pulling it is just a snapshot, but it does follow a trend. in it, president biden trailed donald trump by four points, which is just outside the margin of err