Trump cancels appearance with Polish President Duda in Pennsylvania

Donald Trump's joint appearance with Polish President Andrzej Duda in the battleground state of Pennsylvania has been canceled, according to a source familiar with the Republican presidential candidate's plans. Trump and Duda had been planning to attend the unveiling of a monument at a Polish-American Catholic shrine north of Philadelphia on Sunday. It was not immediately clear why the appearance was canceled or if Trump would meet Duda at another time or place.