[...] the court fight ensuing between one of Nevada's most high-profile lobbyists, Harvey Whittemore, and the owners of the Bay Area's largest home-building company, Tom Seeno and Albert Seeno Jr., could threaten the network of business, philanthropy and influence that both have worked their entire lives to create. If that claim is true, it could cost Whittemore his license to practice law and curtail his ability to raise funds for philanthropy and political candidates -- something he is known for throughout the state, giving big contributions to some of the state's most politically connected candidates.