MONTAGNE: This morning, President Obama's pick to head the Securities and Exchange Commission is in front of the Senate Banking Committee. Mary Jo White released prepared testimony yesterday, giving a glimpse of what she'll address during her confirmation hearing. She pledges to beef up enforcement efforts, citing her experience as a New York prosecutor. Some critics, though, point to her more recent defense work, in which she defended some high-profile Wall Street names. Transcript provided by NPR, Copyright NPR.