….The court’s conservative justices agreed with Trump and his lawyers, who argued that the Constitution and federal immigration laws give the chief executive broad power to restrict or “suspend” the entry of foreign individuals or groups into this country.

[….]

THE HIGH-COURT DECISION SUGGESTS THAT THE JUSTICES WERE MORE TROUBLED BY THE BOLD INTERVENTION OF THE JUDGES WHO BLOCKED TRUMP’S ORDER THAN BY THE NEW PRESIDENT’S AGGRESSIVE USE OF HIS AUTHORITY.

[….]

In appealing to the high court, acting U.S. Solicitor General Jeffrey Wall contended that the judges had wrongly “second guessed” the president’s determination that travelers from these six nations could threaten the nation’s security. He quoted a June 19 opinion by Justice Anthony M. Kennedy that said “national security policy is the province of the Congress and president,” adding that courts should “accord deference to what the executive branch has determined is essential to national security.”()

(LA TIMES)