article_snippet: Despite intensive etiquette coaching, successive U.S. officials have famously got it wrong.
article_snippet: President Barack Obama efforts were widely mocked.
article_snippet: In an opinion piece in The Wall Street Journal earlier this week, President Barack Obama called it a 'tragic waste of human potential' when 62 million girls worldwide are not in school. '
article_snippet: it is also a serious public-health challenge, a drag on national economies and global prosperity, and a threat to the security of countries around the world, including our own,' President Barack Obama wrote in President Barack Obama online travel journal. '