Consumed by abuse, UK's Labour faces deepening divisions with leadership contest

The brutal infighting threatens Labour's 116-year existence and risks leaving Britain without a strong opposition party for years to come, just as the government goes about negotiating the country's exit from the European Union. Britain's June 23 EU referendum brought simmering tensions within Labour to the boil, resulting in a leadership challenge.     On one side are hundreds of thousands of vocal grassroots loyalists who are fiercely protective of Corbyn's left-wing princi