AllThingsD Week in Review: Twitter’s Product Problem and Ballmer Keeps His Microsoft Shares

The Top 10 stories that powered AllThingsD this week, in one convenient post.

Apple Inks Major Sapphire Supply Deal With GT Advanced Technologies

GT will own and operate sapphire production equipment in a new Apple facility in Arizona.

GoDaddy Buys Afternic, a Domain-Name Aftermarket Seller (Plus Some Van Dammage!)

A bongos and buying spree for domain kingpin.

Former Yahoo Exec Blake Irving Named CEO of Domain Giant Go Daddy

Another new leader for the Web registration giant.

How Obama or Romney Should Have Answered the iPad Question

When CNN’s Candy Crowley asked why iPad and iPhones can’t be made in America, here is what one of the candidates — either one — should have said in response.

In the Vault: Former Yahoo Exec Hilary Schneider Set to Join IPO-Bound LifeLock as President

The longtime online ad exec shifts gears to fraud protection.

The President of the United States Visits Intel Again (Video)

President Obama likes Intel. And why wouldn’t he?

U.K. Arrests Two More Suspected Members of LulzSec

Police in the U.K. make the second pair of arrests in as many days in their ongoing investigation into the activities of the LulzSec and Anonymous hacker gangs.

Amazon Seeks Greater Fulfillment by Adding Distribution Centers

Amazon is expanding its warehouse capacity at an insanely aggressive pace, having already announced five new distribution centers so far this year, including two since yesterday.

Arizona Confirms LulzSec Docs Are Authentic, Worries About Officer Safety

The documents dumped to BitTorrent by LulzSec contain the names and home addresses of eight Arizona State cops. Officials there are worried that the release endangers the safety of its officers.

Viral Video: Quayle Hunting for Office

Will the Web Save the Radio Star?

McCain Gets Mavericky on Net Neutrality