This is a large rearchitecture. The reason it has taken this long is simply because of how comprehensive it is.   Of the four O&O chains, CBS has the most problems ailing its. Most of the stations are ratings fixer-uppers and have spent two decades or more in such a condition. There was no news in Detroit. Post-Dunn and Friend, something radical needed to be done. And the investment in News and the fact that there is actual innovation and renewal in News are all to be hailed.