Column: The GOP convention has been a split-screen experience, nasty and nice
![Column: The GOP convention has been a split-screen experience, nasty and nice](https://ca-times.brightspotcdn.com/dims4/default/1a34311/2147483647/strip/false/crop/3744x2496+0+0/resize/1500x1000!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F0c%2F77%2F7103bb584e03a32486ae45f38070%2F1467074-na-0716-rnc-rcg266.jpg)
J.D. Vance introduced himself to America. Donald Trump Jr. vented at the Republican convention, breaking with the gentler tone the party has tried to present in prime time.