In a recent announcement, the Harris-Walz campaign has revealed plans to invest at least $370 million in digital and television advertisements. What Happened: The Democratic campaign’s primary focus will be on battleground states, with the advertising push set to run from Labor Day through November 5. The campaign has already committed $170 million to TV reservations and $200 million to digital reservations. Deputy campaign managers Quentin Fulks and Rob Flaherty confirmed this in a Saturday memo. The reservations include slots during major sporting events and high-viewership TV moments, such …