Dave Davies

Pulitzer Prize-winning journalist Hedrick Smith details widespread pollution of America's waterways in the PBS Frontline documentary Poisoned Waters.

NBC's newly appointed chief White House correspondent talks with Dave Davies about his new book, How Barack Obama Won: A State-by-State Guide to the Historic 2008 Presidential Election.

In 1977, historian James Reston Jr. helped prepare journalist David Frost for a series of interviews with Richard Nixon that resulted in the former president's tacit acknowledgment of his involvement in the Watergate scandal. Reston later chronicled the exchange in his book The Conviction of Richard Nixon.