<http://schema.org/mainEntityOfPage>
<http://archives.sfexaminer.com/sanfrancisco/obama-vows-to-flex-presidential-powers-in-speech/Content?oid=2689969>
<http://archives.sfexaminer.com/sanfrancisco/obama-vows-to-flex-presidential-powers-in-speech/Content?oid=2689969>