The detention for nine hours Sunday of journalist Glenn Greenwald's partner by authorities at London's Heathrow Airport was an attack "on the news-gathering process and journalism," Greenwald writes on The Guardian's website.
"There is no question that there is a civil war that is waging within the party."
That Republican conflict, political science professor David Cohen adds, isn't between just two sides, but among a number of factions, including libertarians.
One of the most public battles has involved national security and civil liberties. Leaks about the National Security Agency's surveillance programs raised alarms for libertarians about the government's reach.
A newly declassified CIA report written in 1992 not only mentions Nevada's Area 51, it places it on a map. What's more, it acknowledges that the place where many sci-fi stories have said space aliens' bodies are being kept is a real-life government facility.