london gaze life-sized cardboard figure donald trump 200 supporters gather exclusive club near ritz hotel london celebrate friday inauguration america 45th president bunch red white blue balloon star-shaped adorn wall royal over-seas league trump appearance balcony outside domed u.s. capitol greet whoop cheer complete oath room break stand ovation complete high-five celebrations late trump inaugural speech punctuate cheer especially pledge eradicate radical islamic terrorism end room chorus along trump trademark promise make america great speech great mr trump touch important subject america say polish-born university professor victoria gorska-rabuck speech appropriate uplift promise lot hope deliver promise tell reuters businessman david pattinson say think trump would successful president think succeed cut government spend although know whether successful get rid establishment say surprise satisfy add expect win brexit poll get wrong republicans london celebrate trump 's inauguration