AP Explains: Why are UK and EU still arguing over Brexit?

LONDON (AP) — More than four years after Britain voted to leave the European Union, the two sides are still arguing over their post-Brexit relations. Months of negotiations have failed to produce agreement on a trade deal, leaving the U.K. facing a “no-deal” exit at the end of the year that would hit businesses already reeling from the coronavirus pandemic. After a crisis last week when British Prime Minister Boris Johnson declared the talks at an end, negotiators are meeting a