![Tim Walz at his first rally with presidential candidate Kamala Harris on Tuesday in Philadelphia.](https://imagenes.elpais.com/resizer/v2/CNVNOTTSZVAJTF227YI2XWEBIU.jpg?auth=1a29ecdc810e471b7145c2c2aaf13dfa98cc7c60e878859ddba7385826ae7f67&width=414&height=233&focal=1198%2C585)
Common-sense teacher or dangerous radical? Democrats and Republicans battle to capitalize on Tim Walz’s vice-presidential bid
Kamala Harris hopes her number two’s roots will attract voters from rural America while Donald Trump is portraying him as a fanatical leftist to regain the electoral initiative