In a statement released this afternoon, the NAHJ called on "police and local and federal officials to respect the First Amendment right to free speech and free press of journalists doing their job, especially as it relates to coverage of recent political conventions and the surrounding public protests. Reporters have a duty and a constitutional right to be present at sometimes volatile events and situations, and to inform the public."
"In this era of new technology and broader participation in citizen and independent journalism, it may become increasingly difficult for police to tell journalists from those who are not," the NAHJ statement continued. "But police must be aware it is their duty to try, and to respect the role of the press in a democracy.
A radioactive tracer that "lights up" cancer hiding inside dense breasts showed promise in its first big test against mammograms, revealing more tumors and giving fewer false alarms, doctors reported Wednesday.
Three million people worldwide are taking the new, heavily advertised anti-cholesterol drugs Zetia and Vytorin, despite a lack of clinical evidence that they reduce cardiovascular disease or heart attacks, or help patients live longer. Vytorin and Zetia brought in $5.2 billion last year for Merck and Schering-Plough, placing them among the best-selling drugs in the world. The Food and Drug Administration approves many drugs based on whether they perform a specific action, like lowering cholesterol, without requiring long-term trials on whether they extend life or lower disease risks. Other FDA-approved drugs have been found to be ineffective or even dangerous. 
The ice shelves in Canada's High Arctic have lost a colossal area this year, scientists report.
