FILE - Peter Thiel, co-founder of PayPal and Palantir, offers a pair of hundred dollar bills to attendees during a keynote address at the Bitcoin Conference, April 7, 2022, in Miami Beach, Fla. Millionaire candidates and billionaire investors are harnessing their considerable personal wealth to try to win competitive Republican primaries for open U.S. Senate seats in Ohio and Pennsylvania. Billionaire tech investor Thiel has poured money into a super PAC backing “Hillbilly Elegy” author JD Vance. (AP Photo/Rebecca Blackwell, File)