Sen. Scott Brown is bringing up the allegation that Senate-race rival Elizabeth Warren sought to benefit as a law professor by claiming Cherokee heritage. Several questions remain unanswered.
An estimated 500 public schools across the US now offer some all-boy and all-girl classrooms. But the American Civil Liberties Union is involved in a battle against single-sex learning.
The Massachusetts race for the Senate seat held by Scott Brown is gathering in intensity, with Brown and Democrats supporting challenger Elizabeth Warren trading ethics charges.