We need to lead a global effort against nuclear proliferation -- to keep the most dangerous weapons in the world out of the most dangerous hands in the world.

CNN: Kerry: We are here to make America stronger

And he will also lead an effort to identify new initiatives we may need to help support your communities going forward.

WHITEHOUSE: President Obama on Stabilizing the Auto Industry

"Wireless Philadelphia represents a compelling opportunity to provide affordable broadband Internet access to the people who visit and live and work in the city of Philadelphia, and we believe EarthLink, as a leading national ISP, is ideally positioned to lead this effort, " said Daniel Greenfield , an EarthLink spokesman.

FORBES: Philly Finally Ready To Unwire

Obviously the House is going through an effort today that once they get through we can turn our attention back to negotiations that could lead to something that could actually emerge from Congress and the President could sign into law.

WHITEHOUSE: Press Briefing

And we discussed the fact that 2011 is going to be a year of transition in which we, more and more, provide the assistance necessary for Afghans to take the lead in that effort.

WHITEHOUSE: President Obama and Prime Minister Gillard of Australia

We need all of you to take the lead -- or continue to take the lead in this effort.

WHITEHOUSE: The White House

"I know our customers are going to embrace Januvia from the moment we put it on the marketplace, " says Patrick Magri , the Merck vice president who will lead the marketing effort for the drug.

FORBES: Magazine Article

Some say we're doing too much, but the truth of the matter is, is there's no way that we can lead in the 21st century with the same energy policy, the same education system, and the same effort, same infrastructure we have now.

WHITEHOUSE: President Obama Calls for New Steps to Prepare Children for College and Careers | The White House