Here is why: Yemeni government != Yemeni people. The authorities, probably, don't mind letting US drones kill people, simply because it won't be them getting killed.
Imagine the US military firing tear gas and water cannons on protesters in Turkey and saying "It's OK, your government gave us permission". The major problem in the Middle East is that, the governments can get away with not giving a fuck about the people.
Here is why: Yemeni government != Yemeni people. The authorities, probably, don't mind letting US drones kill people, simply because it won't be them getting killed.
Imagine the US military firing tear gas and water cannons on protesters in Turkey and saying "It's OK, your government gave us permission". The major problem in the Middle East is that, the governments can get away with not giving a fuck about the people.