“In the final weeks of the 2024 election, Vice President Kamala Harris and former President Donald Trump are staking their chances on two radically different theories of how to win: one tried-and-true, the other untested in modern presidential campaigns,” the New York Times reports. “Ms. Harris’s team is running an expansive version of the type of field operation that has dominated politics for decades, deploying flotillas of paid staff members to organize and turn out every vote they can find.