Tim Naftali, an adjunct professor at the school of International and Public Affairs at Columbia University, said that his review of the documents convinced him that some previously redacted information had not been classified to protect details that cast doubt on what happened to Kennedy but for a much simpler and more sensitive reason: to protect the C.I.A.’s sources and methods.

"Fundamental shifts are occurring in the body politic that have left Democrats on the wrong side of the popular vote, congressional races, and the country's shifting demographics," writes Stuart Gottlieb. "It's time for a total re-do."

CBC interviewed Nobel Prize winning economist, and former staffer and advisor to Presidents Bill Clinton and Barack Obama, Joseph Stiglitz.

"Yes, these are perilous times, and the fabric of the Republic is being tested," writes Stuart Gottlieb in a New York Times letter to the editor. But the framers of the Constitution wrestled with these very issues, and crafted a system of government that has stood the test of time."

“Regulatory process and political issues are part of the problem,” says Steven Cohen. “Offshore wind in the US can involve multiple approvals and risky expensive leases of offshore sites.”

“What is new is the articulations of overwhelmingly imperial ambitions and purely acquisitive aims: Ukraine to restore the Russian empire, Greenland for minerals and sea lanes, Panama for naval control of sea lanes and to exclude China from the region,” Michael Doyle told Al Jazeera.

Medicaid is one of the best-known programs for facilitating vaccinations of children in poor families, said Robert Shapiro.

“It’s one thing to have a deal that talks about how might we manage their extraction and their revenue,” Tom Moerenhout said of the agreement. “It’s another thing entirely to actually have extractive projects, to actually have mining operations going on, and that is something that the deal does not guarantee.”

"Watching from the sidelines, policy-makers in Washington, Beijing, Tokyo, and Pyongyang are focused on both the dangers and the opportunities that South Korea’s political turmoil will create," writes Ian Bremmer.