52 Weeks of Firsts: The first American steamboat to carry both passengers and cargo set sail from Philadelphia in 1787

In honor of the nation's 250th anniversary, the city is celebrating with 52 Weeks of Firsts, highlighting a historic milestone each week. KYW Newsradio's John McDevitt shares more about the first American steamboat to carry both passengers and freight, which departed from Philadelphia in 1787. (Photo credit: Colibri Workshop)