Donald Trump gave an air kiss to his wife, Melania, at his inauguration ceremony in Washington DC. Trump leaned in as Melania presented her cheek, but her hat appeared to keep him at a short distance, with the incoming president resorting to blowing a kiss in the air. Trump was sworn in as the 47th US president on Monday, ushering in another four-year term with promises to push the limits of executive power, deport millions of immigrants, secure retribution against his political enemies and transform the role of the US on the world stage