President Joe Biden falsely claimed Saturday that supporters of former President Donald Trump killed police officers during the January 6th riots on Capitol Hill. The president spoke about the January 6th protests during his commencement speech at the University of Delaware. "A mob of insurrectionists stormed the Capitol, the very citadel of democracy. Imagine what you’d be thinking today if you had heard this morning before you got here that a group of a thousand people broke down the doors of the parliament of Great Britain, killed two police officers, smashed and ransacked the office of members of the British...