Who famously uncovered the Watergate scandal through investigative journalism?

Bob Woodward and Carl Bernstein

Who is the main vampire love interest in the series "Twilight"? Which country contains the ancient city of Babylon? Who signed the Treaty of Nanjing to end the First Opium War? At which battle did Henry V of England famously defeat French forces in 1415? In 'The Polar Express', what item does Santa give the boy as a gift at the North Pole?