House Speaker Nancy Pelosi took time out from bashing Donald Trump and warning of the rise of China on Thursday to hop aboard a punt – a flat bottomed boat – for a sightseeing trip through Cambridge, England. Her day included joking about former President Trump with Cambridge University students before heading to London and a meeting with Prime Minister Boris Johnson . But she was also spotted floating down the River Cam, propelled gently by a 'punter' wielding a pole, with her husband beside her. Video shot by a passerby, shows businessman Paul Pelosi snapping photographs with his phone…