Protecting America's Children Act of 2007 - Prohibits the Attorney General from providing funding under the Edward Byrne Memorial Justice Assistance Grant Program to states or local governments that fail to certify that their laws provide adequate protection against the pre-trial release of individuals charged with certain violent or serious sex crimes (e.g., kidnapping and sexual abuse or exploitation of a child) and who pose a serious risk of fleeing, obstructing justice, or threatening, injuring, or intimidating a potential witness, judge, magistrate, or juror.