Joe Biden gave a message of unity in his inauguration speech and his swearing in shows a pendulum swing in US politics back to the establishment. But what does that mean?
Read MoreJoe Biden inauguration: The pendulum has swung, but how far?
US president inauguration
Trump Inaugurated: The con is on
Today's short and grim speech reinforces and reveals how Donald Trump will govern as the 45th US president, and it won't serve his people well
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