The true story of how a small Seder dinner on the campaign trail inspired Barack Obama to bring the tradition into the White House and host the first ever Presidential Passover celebration. In 1800, President John Adams held the first formal Christmas dinner at
the newly built White House. In 1878, President Rutherford B. Hayes
observed Easter with a public "Egg Roll." But it wasn't until 2009 that a US president officially celebrated...