First Amendment

Forty-two years ago next month, The New York Times published the first of the Pentagon Papers, a trove of classified documents on U.S. military involvement in Vietnam, sparking a landmark legal case on press freedom.

A reporter's right to protect confidential sources, a topic of debate both in the U.S. and internationally, will undergo another round of legal scrutiny after federal prosecutors formally appealed a decision shielding journalist James Risen's sources in a CIA leak case.