Arabella Advisors, the shadowy for-profit consulting firm that managed a multibillion-dollar network of liberal dark money groups, is now Sunflower Services. The company announced Monday it has rebranded and sold off its fiscal sponsorship business to a new firm amid a series of high-profile investigations into its finances and billionaire Bill Gates's decision to end a longstanding partnership with the organization. Now, a public benefit corporation called Sunflower Services will manage fiscal