Sort the news reverse chronologically

Before:

![image](https://f.cloud.github.com/assets/153/2226288/7e0c4408-9a9f-11e3-818b-749d7c217631.png)

After:

![image](https://f.cloud.github.com/assets/153/2226289/8211e094-9a9f-11e3-836b-da35ff2c7f86.png)