Blue cross and blue shield insurance companies (the blues) provide 68 million americans with health-care financing. the blues have paid billion of dollars for care attributable to illnesses related to tobacco use. in an attempt to recover some of this amount, the blues filed a suit in a federal district court against tobacco companies and others, alleging fraud, among other things. the blues claim that beginning in 1953, the defendants conspired to addict millions of americans, including members of blue cross plans, to cigarettes and other tobacco products. the conspiracy involved misrepresentation about the safety of nicotine and its addictive properties, marketing efforts targeting children, and agreements not to produce or market safer cigarettes. their success caused lung, throat, and other cancers, as well as heart disease, stroke, emphysema, and other illnesses. the defendants asked the court to dismiss the case on the ground that the plaintiffs did not have standing to sue. do the blues have standing to sue in this case? explain.