The Vice-President of the United States is the President of the US Senate. Joseph R. Biden, Jr., Vice President of the United States, became President of the Senate on January 20, 2009. He is not a member of the Senate but can vote in case of a tie vote. The Vice President of the United States presides over the US Senate. He cannot vote unless there is a tie vote. But on a daily basis, this role is fulfilled by a senior senator, the President pro tempore, or his designates.
Joe Biden is the current US Vice President. His term will expire on Jan. 20, 2017. Patrick Leahy, from Vermont is the senate president pro tempore which is a position elected by the Senate and filled by a senior senator.
The Vice President of the US holds this position. He can vote in case of a tie vote, but due to closure rules, it takes 60% to pass anything and he can not vote to create the 60%. The vice-president acts as the president of the Senate. Right now, that person is named Joe Biden. ~President of the Senate: Joe Biden (Since January 20, 2009) ~President pro tempore: Robert Byrd (Since January, 4, 2007) ~Source: US Senate: Senators Home~ http://www.senate.gov/pagelayout/senators/a_three_sections_with_teasers/leadership.htm
They attack and supress threats to the United States, using various air, land, sea, and space assets.
Speaker of the House