The White House sharply escalated its resistance to congressional attempts to investigate President Donald Trump. The United States on Wednesday ordered all nonessential government staff to leave Iraq. President Donald Trump issued an executive order Wednesday to help protect the United States against foreign adversaries that are taking advantage of technological vulnerabilities to threaten U.S. communications systems. The order, which declared a national emergency in response to the threat, does not name specific countries or companies.British Prime Minister Theresa May is to try to push her unloved Brexit deal through parliament for a fourth time, and those who plan to vote against it again are already stepping forward.