By Brendan Sasso - 10/16/13 10:25 PM EDT
Any senator can block the nominations on the Senate floor — they can only be confirmed with unanimous support.
Sen. Ted CruzTed CruzEleven states sue Obama over transgender bathroom directive Poll: Clinton leads Trump in Wisconsin by double digits GOP senators propose sending ISIS fighters to Gitmo MORE (R-Texas) has indicated he might block Wheeler's nomination unless he promised not to require more disclosure about the groups paying for political advertisements. Cruz's office did not respond to a request to comment Wednesday evening.
Wheeler is an investor and former lobbyist for the cellphone and cable industries. O'Rielly is a longtime congressional aide who currently works for Sen. John CornynJohn CornynSenate GOP ties Iran sanctions fight to defense bill Senate votes to block financial adviser rule GOP mired in Zika dispute MORE (R-Texas), and McSweeny is currently an attorney in the Justice Department's Antitrust Division.
—Updated at 6:51 p.m.