Many people may think that party leaders conduct too much of their business behind closed doors.

The business of parliament has been conducted behind closed doors.

Our aim is for it to conduct its business in the clear light of day rather than behind closed doors.

The trial judge had ordered the process conducted behind closed doors.

Before then all fusion research had been conducted behind a screen of secrecy.

All of the formal conversations are conducted behind closed doors.

The summits are also conducted behind closed doors and without democratic control.

His job was particularly important to the Senate of 1789 because members intended to conduct all their sessions behind closed doors.

"The most important part of diplomacy here is not necessarily conducted behind closed doors," he said.

Formed 9/39 in Poland to conduct "security operations" behind the lines.