Wednesday morning on KNBR, Greg Cosell discussed the 49ers’ upcoming game against the Saints. Here is a transcript. COSELL: “When you start to play better teams, you’re going to have to have the passing dimension, and right now (the 49ers) are a one-dimensional offense with almost no passing dimension. It came back and it caught them this week against a better team. “You’re dealing with an extremely talented kid (Kaepernick)….