"As a person of faith, I believe we are called to care for each other and work to ease human suffering," he said. "I believe we have been given the capacity and will to pursue this research – and the humanity and conscience to do so responsibly."
The president also ordered a review of President Bush's so-called signing statements, which often told officials how to implement laws. Mr. Obama sent memos to federal agencies directing them to review Mr. Bush's statements.
Below, watch Chip Reid's CBS Evening News report on the president's move on stem cell research.