CNN The Lead With Jake Tapper July 9, 2014 20:50:00
Discuss tens of thousands of undocumented children detained at the border. time to turn to the money lead. what if the big one comes in not in california, but oklahoma. oklahoma experiencing an explosion in earthquake activity. it's had more earthquakes than california this year. why? well, a new stud ney science magazine links this update to a controversial drilling practice, an industry that forms one of the pillars of oklahoma's economy, but as martin savidge reports, after all of the shaking someone might want to inspect that pillar for cracks. >> reporter: in oklahoma, earthquakes are in ...