Because they can:

South Korea says North Korea has fired a fourth missile off its eastern coast.

The Joint Chiefs of Staff says three missiles were fired early Saturday and the fourth at about noon.

The launches come two days after North Korea fired four short-range missiles.

Yonhap says they’re Scuds.

Did President Obama’s phone ring yet?

Please pick up the red courtesy phone (Photoshop credit: Redhotphones.com)

***

Update: 7 total.