The children of gay and lesbian couples

Mothers and children
Maryfrances Evans (L), her partner Stephanie Mcfarland and their children Audry (L) and Frances attend a gathering of gay couples planning on getting a marriage license Monday, April 2, 2009, the first day it was legally allowed in Iowa.
Scott Olson/Getty Images

A new study says the kids of lesbian couples are better adjusted than children raised by heterosexual partners. Parenting by lesbian and gay couples is at the heart of the controversy over whether same-sex marriage should be allowed in more states.