all. i think this trend we're following europe. you know and japan for example, and european countries. that we, we're not at replacement level. they're at 1.3 in japan. and we're, we're at replacement level only because of immigration. >> interesting. susan newman, fascinating topic. "parenting an only child" is the name of the book that you authored. thanks for your time, appreciate that. >> thank you. >> and definitely more informative than depressing, how's that? >> definitely. only-child families are fabulous. people just need to redefine "family." >> thanks so much, susan, appreciate that. all right, preparing for the new law that many will be seeing go into effect this week. arizona's sheriff is clearing space. we'll see how he's getting ready for the state's new immigration law that kicks in this week. plus our josh levs with the