And one important decision after another has been determined by a slender 5-to-4 majority.
Only when it looked like the Republicans could lose their slender majorities, did the president intervene.
To protect its slender majority, the Republican leadership must at least try to appease them.
At the 2005 elections, he had a slender majority of 825 votes, 2.0% more than his opponent.
In 1987 Wingti returned to power with a slender majority of three votes.
With a slender majority, divided Republicans can't easily move in any direction.
The Government had an uphill battle to pass its measure in the lower house, where it has a slender majority.
None has carried the state by more than a slender majority since 1964.
Q: How can you stand when you only have a slender majority?
The coalition emerged with a slender majority of 10 seats.