Why was 2014 a year of mergers and mega deals?

Aired: 12/26/2014 | 0:05:59 | Clip
2014 has been a banner year for corporate mergers, with more than $3 trillion in deals announced worldwide. What kind of impact do these deals have on the companies, employees and the economy? Hari Sreenivasan learns more from Andrew Ross Sorkin of The New York Times.