Aaron Sorkin, the playwright, television writer and Oscar-winning screenwriter of “The Social Network,” is causing a stir with his new HBO series, “The Newsroom,” about the inside antics of a cable news show and its commentary on American journalism....

We’ll endeavor to put up information in a broader context because we know that very little news is born at the moment it comes across our wire.— Will McAvoy, HBO’s “The Newsroom,” Episode 3, “The 112th Congress.”Andrew Rehfeld will join...