US president Donald Trump gives a thumbs up as Republican incumbent senator Kelly Loeffler speaks during a rally ahead of the Senate run-off. Photograph: Sandy Huffaker/AFP via Getty

Republicans supporting Donald Trump’s efforts to overturn the US presidential election are on a collision course with US business leaders, as companie(...)

US president Donald Trump’s lawyer, Rudy Giuliani,  speaking at   a press conference earlier this month. Photograph: Justin Lane/EPA

US president Donald Trump’s lawyer Rudy Giuliani has described at length to a federal judge in Pennsylvania a vast Democratic conspiracy to steal the (...)

In 2016, Trump won the state and its 18 electoral college votes by eight points. Photograph: Stephen Zenner/SOPA Images/LightRocket via Getty

Election season in America is a busy time for Margaret Wilkes. The morning after the testy presidential debate between Donald Trump and Democratic Pa(...)

US president Donald Trump addresses journalists in the Rose Garden of the White House on Tuesday. Photograph: Tasos Katopodis/EPA

In theory, US president Donald Trump summoned television cameras to the heat-baked Rose Garden early on Tuesday evening to announce new measures again(...)

US president Donald Trump at the White House on Wednesday. Photograph: Evan Vucci/AP

These are far from certain to be Donald Trump’s last months in the White House. The US president’s deficit in national and state polls is daunting but(...)