A prominent Texas Republican has sued Rudy Giuliani’s law firm and a close friend and partner of Giuliani’s, Kenneth Caruso, alleging that Caruso, the firm and others "schemed and conspired to steal $10 million." J. Virgil Waggoner, a Houston businessman and philanthropist, filed the previously unreported suit in New York State Supreme Court in Manhattan in July. He alleges that Caruso, his former lawyer, conspired with Waggoner’s investment adviser to cover up the disappearance of $10 million Waggoner invested through a Caribbean bank, the British Trade & Commerce Bank. Waggoner claims Caruso "may have also been romantically involved" with the...