Ep035: Why Judah? – Genesis 38

In Genesis 38 the text takes a detour that has caused a lot of discussion in theological circles. We know who Judah becomes. We know what Judah just did. And for one chapter we get a Judah centered narrative that tells us of his life between those two points in time. But why this narrative? It is confusing and confounding all at once. What is it about this chapter that it would be the one and only chapter of all of scripture that is focused only on the character of Judah?