Meyer v. Nebraska , 262 US 390 (1923) .........................................................................................................24 Munaf v. Geren , 553 US 674 (2008) .........................................................................................15, 17, 20 Nken v. Holder , 556 US 418 (2009) .........................................................................................................19, 20 Pac. Gas & Elec. Co. v. State Energy Res. Conservation & Dev. Comm'n , 461 US 190 (1983) .............................................................................................................9 Parham v. JR , 442 US 584 (1979) .........................................................................................................25, 26 Pierce v. Soc'y of Sisters , 268 US 510 (1925) .........................................................................................................24 Centned Parenthood of Cent. Mo.诉丹佛斯案，428 US 52 (1976) ..............................................................................................................25 Plyler诉多伊案，457 US 202 (1982) ..............................................................................................................32, 39 Price Waterhouse诉霍普金斯案，490 US 228 (1989) .............................................................................................................34 Prince诉马萨诸塞州案，321 US 158 (1944) .............................................................................................................24 Quilloin诉沃尔科特案，434 US 246 (1978) .............................................................................................................25 Romer诉埃文斯案，517 US 620 (1996) .............................................................................................................41 Santosky诉克莱默案，455 US 745 (1982) .............................................................................................................25 Stanley诉伊利诺伊州案，405 US 645 (1972) ......................................................................................................24 Troxel 诉 Granville，530 US 57 (2000) ..............................................................................................................24