Summary: <p class="MsoNormal"><span style="font-size: 10pt; line-height: 115%; font-family: Arial, sans-serif; background-position: initial initial; background-repeat: initial initial;">Some policymakers say scientists hold onto their data too long. They say by the time the information is released, it can miss the window for addressing pressing environmental problems. Now the federal government is urging scientists to share their data sooner. But as Julie Halpert reports, that has triggered a heated debate over who has the right to information that could lead to important discoveries.</span><p></p></p>
