The viral camouflage hat sported by Minnesota Gov. Tim Walz shortly after he accepted the nomination has raised close to $1 million for the Harris campaign. A camouflage hat with orange embroidery spelling out “Harris/Walz” hit the official Harris campaign store after Walz was pictured wearing it Tuesday, selling out its initial inventory of 3,000 hats in a half hour and raising nearly $1 million for the campaign,...