Committee chairman Paul Maskey of Sinn Fein wanted to know why it was now estimated that the buildings survey would take 30 years.

BBC: Public Accounts Committee

At least according to a new letter to customers on the company's front page, we now know why.

ENGADGET: Matrix One pins troubles on part delays and Google Wallet freeze, says refunds coming

Thanks to Advertising Age, we now know why General Motors pulled all of its paid ads from Facebook: The automaker wanted bigger, flashier ad formats than the social network was willing to provide.

FORBES: Why Facebook Won't Just Give Advertisers Like GM What They Want

Now we know why Bill Bradley thinks Democrats should vote for him, and against Al Gore.

CNN: Bill Press: You want nasty? You got nasty

"If these cost a lot in a restaurant, now you know why, " Galletta said.

NPR: An Unexpected Delight: Fried Olives in Italy

Now you know why Steven Spielberg, Tom Cruise and Vanna White all got their old barn wood from the Conklins' yard.

FORBES: Barn Again

Now you know why the John Edwards presidential candidacy has flamed out.

FORBES: Are Americans Really Unhappy?

Now I know why Khuzami did not want to tell me about the statistics for accounting fraud and disclosure cases and whistleblower tips in advance.

FORBES: The SEC And Accounting Fraud Enforcement: No "There" There

Now you know why a phone number is 7 digits.

FORBES: Thomas Jefferson, Steve Jobs, and the Rule of 3

Now you know why Ron Paul is so upset.

FORBES: Ben Bernanke's Secret Inflation Plan

Now we know why Facebook is not making any effort to curb the increasing invasions of privacy that are occurring as a result of more and more consumers are using the site.

FORBES: Social Networking, Facebook And The Vote

Now we know why he was being cagey.

FORBES: Freeport-McMoRan Rescues McMoRan Exploration In $20 Billion Gulf Of Mexico Deal

The H7N9 strain previously was known only to infect birds, and officials say they do not know why the virus is infecting humans now.

NPR: WHO Talks With China On Sending Bird Flu Team

Lantos now wants to know why Yahoo!

FORBES: Grilling Yahoo!

Now the reason why we know or we believe that one of the suspects in London was in e-mail contact with Bahaji's wife is because that was revealed by the German interior minister on German television yesterday.

NPR: Airline Plot Investigation Quietly Moves Forward

So now you know two more reasons why I have been saying that the February low was probably not the market low for the year, and short-term rallies notwithstanding, the low is still probably several months away.

FORBES: Sell In May, Great, But Go Away For How Long?

Do we know why Mr. Gonzales has decided to leave this position now after really months of demands that he should go?

NPR: Gonzales Resigns as Attorney General

Now come the questions - what did they know and why didn't they act?

NPR: With Election Looming, GOP Distracted by Foley

If you have ever wondered why the DJ participation percentages never quite added up to 100%, now we know.

FORBES: A Little Bit Louder Now, Chevron Starts To Shout About Davy Jones And The Ultra Deep

Now -- now, I know that the price of tuition is higher than ever, which is why, if you are willing to volunteer in your neighborhood or give back to your community or serve your country, we will make sure that you can afford a higher education.

CNN: Obama speech to Congress focuses on economy

Now that really sent out some danger signals and that's why, you know this contest is not a tea party, there are those who think that the minute that there is any sort of engagement between the two opposing views here, that somehow this is against the rules.

BBC: News | BREAKFAST WITH FROST | STEVEN NORRIS CONSERVATIVE VICE CHAIRMAN

Now you have an answer the next time a client or a senior executive wants to know why your social media strategy is less about pumping out company messages and more about hearing what your stakeholders have to say.

FORBES: Talking About Yourself: The PR Impact