Jane Chong, at Lawfare, in an article titled, "The Supreme Court’s Cert Grant in the Travel Ban Cases: A Guide for the Perplexed"

"If the right yardstick to use is whether Trump got what he wanted since issuing his first, ill-fated order in February, the entire sequence of events we have seen unfold since then, today’s development included, marks a defeat for the administration. For months, the courts have worn down Trump’s desired policy, and now the Supreme Court has made clear it won’t review that policy until it is an irrelevance. The fact that in the meantime the Court has declined to side with the government on the need to even temporarily shut down entry of immigrants and refugees with U.S. connections, notwithstanding the government's national security arguments, marks a serious blow to the government, particularly given its sweeping arguments about the president’s discretion to do just that under his Article II powers and the Immigration and Nationality Act."