Where everything is bipartisan until it is not.
Senior government and opposition leadership in parliament, sitting at the front and controlling party strategy and legislative action.
The mere possibility that a senator might filibuster, which is so powerful that the actual filibuster almost never happens anymore because the threat alone kills the bill.
A politician's reversal of a previously stated position—the cardinal sin of politics, because voters apparently prefer consistency to evolving views based on new information.
Federal law allowing citizens to request government documents, creating a slowpoke bureaucratic process for obtaining 'secret' information.