Republicans to grill FCC chief on Google 'Wi-Spy' probe

The company has since apologized and boosted its privacy settings, persuading the Federal Trade Commission against fining it during a probe at that agency.

Genachowski, who is testifying Wednesday on the FCC budget, is also expected to take questions on whether the government should fund the implementation of net-neutrality rules. Republicans say the agency overstepped its authority when it passed the controversial rules last year.

Graves and Appropriations colleague Rep. Mario Diaz-Balart (R-Fla.), along with members of Energy and Commerce, led the charge to defund the rules.