Sunak on track to become UK PM after Johnson ends leadership bid

Rishi Sunak could become the U.K.’s first prime minister of color as the British Conservative looked poised to take office Monday after Boris Johnson pulled the plug on an audacious political comeback.

Just weeks after failing in a first attempt to lead the ruling Tories, Sunak could cap a stunning reversal in fortunes by winning the leadership as early as Monday afternoon, following ex-premier Johnson’s unexpected move late Sunday.

The contest, triggered by outgoing leader Liz Truss’s resignation on Thursday, requires candidates to secure the support of at least 100…