WASHINGTON — Kevin McAleenan, a profession civil servant who grew to become the unlikely level man for President Donald Trump’s hardline immigration insurance policies, is stepping down as performing Homeland Security secretary after six months on the job. McAleenan informed The Associated Press he was leaving on his personal phrases — a distinction to different high administration officers pushed out throughout Trump’s tenure. But his departure ends an ungainly interval of management — one through which McAleenan delighted Trump by getting border crossing numbers to fall but remained an outsider in an administration the place high figures — together with in his personal division — have been brash Trump supporters standard on conservative media. A White