This time, when I launched Revolution Health and the cornerstone of the company, RevolutionHealth.com, we took a similar approach by aggregating the best health content and applications all in one place--content from trusted health brands like Mayo Clinic and the Cleveland Clinic, adding more than 100 tools to take action to help individuals, then stirring in a broad-based community built on personalization.

FORBES: Magazine Article

Two years later, it is a cornerstone of health care in this city.

CNN: Doctor's free clinic a 'tiny Band-Aid' to pain of Katrina

Along with the health service, hockey is a cornerstone of Canadian identity.

ECONOMIST: Hockey players are less than indispensable

Mr. Harkin has endured major political upheavals through the decades, arriving in the Senate during the conservative Reagan era and more recently helping to advance the 2010 health-care overhaul, the Affordable Care Act, a cornerstone of President Barack Obama's presidency that is widely embraced by liberals.

WSJ: Harkin's Exit Heralds Scramble for Senate Seat

And the steps that the Prime Minister described, while modest, are specific and reflect a commitment on his part to ensure that the U.S.-Japan security relationship remains in good health -- because as both leaders said, it is an essential cornerstone to the stability and the security of the Asia Pacific region.

WHITEHOUSE: Press Briefing