Are we ready for a super El Niño?

<p>Scientists say El Niño, the Pacific weather pattern that pushes up global temperatures, is underway, and could be one of the most intense on record,&nbsp; causing floods, droughts and wreaking havoc on farmers' crops. We speak with New York Times columnist and best-selling author of The Uninhabitable Earth,&nbsp; David Wallace-Wells, about what we can learn from past El Niños and what this one might bring. </p>