Tim Walz channeled grit and empathy at the Democratic national convention

In a huge speech, Harris's running mate won over delegates' hearts and minds - Friday Night Lights never had it so good

You might not know it, but I haven't given a lot of big speeches like this," Tim Walz said demurely towards the end of his keynote Democratic national convention address on Wednesday night.

The moment wreaked of understatement. The look on his face, the way he raised his white eyebrows as if he were apologizing, the shrug of his shoulders. Even the phrase big speech".