giving the survivor only the equivalent of a life estate in the property. Pyle by Straub v. United States, 766 F.2d 1141, 1142 (7th Cir.1985), certiorari denied, 475 U.S. 1015, 106 S.Ct. 1197, 89 L.Ed.2d 311. Moreover, unless there is a reservation of a specific power to the contrary, the surviving life tenant is powerless to dispose of property which is bequeathed to remaindermen under a joint and mutual will. See, e.g., First United Presbyterian Church v. Christenson, 64 Ill.2d 491, 499, 1 Ill.Dec. 344, 348, 356 N.E.2d 532, 536 (1976). Thus Illinois law (albeit somewhat peculiarly) presumes that the surviving spouse is under an obligation to preserve the estate unless the will contains specific language to the contrary. Grimes v. Commissioner, 851 F.2d 1005, 1006-1007 (7th Cir.1988) (<HOLDING>); Pyle by Straub, 766 F.2d at 1143. The
holding that the presumption of legitimacy shifts the burden of persuasion to the putative father to establish that he did not father the child holding that a child was not barred by a former statute of limitations applicable to actions to establish the existence of a father and child relationship when the current action was to establish the nonexistence of a father and child relationship and the presumed father no longer persisted in maintaining paternity holding the will of charles grimess father to be restricted holding that an illinois statute that conclusively presumed every father of a child born out of wedlock to be an unfit person to have custody of his children violated the due process clause and that due process required the father to be given an opportunity to present evidence regarding his fitness as a parent holding that a putative father proven not to be the father by blood tests was entitled only to prospective relief under alaskas revisory rule and thus was still liable for child support arrearages