For 97 years the 12 regional banks of the Federal Reserve system have operated relatively free of political interference from Washington. The looming financial reform bill threatens that independence, not least through an effort to impose new presidential appointees at the regional banks.

The biggest underreported threat comes from Subtitle I, Section 1801 of the House financial reform bill titled "Inclusion of Minorities and Women; Diversity in Agency Workforce." Sponsored by California Democrat Maxine Waters, the provision...