<iframe width="580" height="385" src="https://www.youtube.com/embed/lbd_uYg3OJs?hl=en" frameborder="0" allowfullscreen></iframe> <br>Why Are So Many Migrant Children Trekking Alone To The U.S. Border? <br><a href="https://www.youtube.com/watch?v=lbd_uYg3OJs">source</a>