The Supreme Court’s Monday ruling on President Trump’s proposed travel ban was certainly important on substance. Via a nine-to-zero vote, high court justices allowed Mr. Trump to prohibit entry into the US of some (but not all) people from majority-Muslim countries he declares to be dangerous. What it did not say may indicate volumes about the Supreme Court’s approach to this big, defining issue of the early Trump presidency.

Senate Republicans have been forced into postponing major health care legislation in the United States Senate, and the backdrop is partly the difficult economics of health care: Costs for average Americans are high and rising, and the Senate legislation so far doesn’t appear to offer significant relief. The challenge was highlighted on June 26, as the Congressional Budget Office came out with its score of the Better Care Reconciliation Act released by Senate Republicans. The CBO predicted that premiums would rise faster than under current law, through 2019, for people who aren’t insured through an employer or a government program.

The naming of 31-year-old Mohammed bin Salman as Saudi Arabia's crown prince was more than a power play. For more than half a century, the Saudi throne has been passed down between the increasingly aging sons of state founder Abdulaziz Ibn Saud – transferring power between septuagenarians and octogenarians. Recommended: How much do you know about Saudi Arabia?

For more than half a century US presidents have wrestled with Cuba. Fidel Castro’s communist revolution in 1959 turned what had been a friendly nearby island escape for American tourists into a defiantly independent – and potentially dangerous – foe. An early failed US attempt to overthrow Mr. Castro was followed by an economic blockade and, eventually, by the Cuban missile crisis – a stare-down with Cuba’s patron, the Soviet Union, that threatened to end in nuclear war.