Why voters are drifting to the political edges

Donald Trump is declaring his actions in the Caribbean a war on drugs. Democrats are calling it "state-sanctioned murder". What is Trump's game plan for Venezuela? Is it about fentanyl? Oil? Or regime change?

Later - the latest YouGov poll has put four major parties all within two points of each other. What does it tell us about the state of UK politics? And what can we learn from Plaid Cymru’s success in last week's Caerphilly by-election ?

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