senators

Grassroots political organizations can organize campaigns that urge voters to contact their senators and promote challengers in primary elections as a tactic to influence party leadership decisions.

A senator's vote to invoke cloture (end debate) on a bill does not necessarily indicate how that senator will vote on the bill's final passage.

Individual senators in the U.S. Senate can use procedural actions to delay or block legislative progress on bills.

The U.S. Senate's blue slip tradition allows a senator to block certain judicial and U.S. attorney (prosecutor) nominations for nominees associated with that senator's state.

United States Senate procedures permit a minority of senators to use procedural votes or holds to block the advancement of funding or appropriations bills, which can prevent bills from reaching final passage.

In the U.S. Senate, most significant legislation effectively requires the support of 60 senators to overcome a filibuster and proceed to final passage.

Individual senators in the United States Senate can use procedural objections to delay or block legislative progress, allowing a minority of senators to extend the time required for bills to reach a vote.