In Nigeria, the government often uses the army to restore order and to keep the peace, largely because the police are unable to contain internal violent conflicts.
There are concerns that the transition to civilian rule in Sudan won't be smooth.
There are no angels in Pakistan's political scene – except the 'angels' of the military.
Nigeria is far from ready to hold a credible ballot in 2019.
Egyptians' revolutionary demands for 'bread, freedom and social justice' are a distant memory.
Some observers think Mugabe's overthrow by the Army might be a good thing for Zimbabwe. An Argentinean expert on Latin America's bloody military dictatorships disagrees.
A well-trained military is crucial to a functioning civil democracy, but it can be a liability too.
Once a beacon of democratic hope, Myanmar's 'civilian' government is showing its true nature.
By appointing generals to top political posts and hiking defence spending, Donald Trump is imperiling a cherished tenet of the US constitution: civilian control of the military.
The world has waited hopefully for democracy to blossom in Myanmar. But the new regime looks much like the old one.
General John Kelly, Trump's pick for the Department of Homeland Security, used to lead US military operations in Latin America. Now American citizens should be scared, too.
The rules on armed conflict on Earth are a major source of restraint on military operations. But the rules on the use of weapons in outer space are far from clear. We need to change that.
Some onlookers are suspicious that Venezuela's army is mounting a slow coup – but the country has been militarising itself for decades.
Adopting an African philosophy of education can be a powerful tool to help the continent's universities create real social change and justice.
The junta that governed Panama from 1968 to 1989 was hardly Latin America's deadliest. But that doesn't mean it was benign.
Latin America's most important state could never succumb to another military coup. Could it?
The rejection of the draft constitution is not necessarily a setback for Thailand's military junta. It may even have been a ploy to extend its rule well past the promised date for elections.