Fix wrong Array for a M3 Tech Talk data

![2014-08-21 12 08 18](https://cloud.githubusercontent.com/assets/1207985/3991348/6fe24c5e-28e0-11e4-93c2-083707aa986a.png)
↓
![2014-08-21 12 07 53](https://cloud.githubusercontent.com/assets/1207985/3991349/736269f4-28e0-11e4-9f47-609556c2cfc4.png)
Now it should be `data.talks.each...`. No need for copying the array.