With Brexit going haywire, Theresa May likely to face bitter power struggle

If she loses the vote on December 11, it will be a significant moment for Mrs. May and her country, and the margin could be crucial

Facing a critical vote by British lawmakers on her plans for leaving the European Union, or Brexit, the question for Prime Minister Theresa May seems to be not whether she will lose but by how much.

Britain’s Parliament is gripped by a mood of anxiety and suppressed excitement at the prospect of a grave political crisis that looms if, as analysts expect, Mrs. May fails to persuade lawmakers to support her Brexit plan.

If she loses the vote on Dec. 11, it will be a significant moment for Mrs. May and her country, and the margin could be crucial. A crushing defeat