it, martha. martha: we will. case sir, thank you very much. bill: if you could filter unwanted genes for your unborn child, would you do it? the feds now considering that controversial procedure and we'll debate the latest version of designer babies in america. martha: and a giant reptile invasion. so where are these guys lurking? and what are they exactly? we'll tell you when we come back ♪ bill: not a crock? not a gait tore? gator. ♪