Possible Clues:

• It runs down the middle of the Pacific
• Story heading of a sort
• Entailed adjusting what may be found at top of paper
• Range of fruit, perhaps, something journalists place at the top?
• Opening of a foreign correspondent's dispatch, often
• Time and place on a newspaper article
• Imaginary path on earth's surface following the 180th meridian
• Dante involved with lie in indication of issue day
• Newsreel word
• NBC current affairs program beginning in 1992