Kamala Harris was caught in an embarrassing Election Day gaffe after flipping her smartphone around to the cameras while claiming to be 'on the phone with a voter' - only to reveal she wasn't on a call at all. 'Have you voted already?' a beaming Harris said into the phone. Then she paused as though listening, before exclaiming: 'You did, thank you!' The vice president then turned her phone screen around to adoring supporters at the Democrat party's Washington, DC headquarters, who applauded and cheered. But viewers at home were lightening quick to point out that her phone appeared to...