Presidential vetoes are generally successful in preventing the bill becoming law.

Congress overrides presidential vetoes: a. less than 5 percent of the time.

Rosario was in fact declared the capital three times by Congress, only to face presidential vetoes each time.

Even in the face of Presidential vetoes, they said, they would have had substantial issues to take to the voters.

They have achieved some successes but not enough to avert Presidential vetoes.

Republicans do not seem too concerned that few of their bills are likely to become law this year because of presidential vetoes.

Historically, Congress has overridden fewer than ten percent of all presidential vetoes.

But the two chambers were unable to override Presidential vetoes of their actions.

It can override presidential vetoes with a 2/3 majority.

But an upper house chosen entirely by the voters would make the question of upholding presidential vetoes less certain.