You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who is the leader of the senate when the vp isn't there?" whose answer is President pro tempore.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who is the leader of the senate when the vp isn't there
Useful Output:

Doc 1: The Vice President is proscribed by the US Constitution as President of the Senate. As a result, Harris will wield some limited but potentially significant
Doc 2: In his absence, the President Pro Tempore of the Senate is the presiding officer. This position usually goes to one of the most senior senators.
Doc 3: Mitch McConnell is the Majority Leader of the Senate which has no place in the Constitution and is merely modern tradition and in the Senate
Doc 4: Once DeWine appoints his choice for Senate, the replacement will serve in that seat until a special election in 2026.
Doc 5: Sen. Chris Van Hollen, D-Md., traveled to El Salvador on Wednesday and met with the country's vice president to push for the release of