Conversation so far:
how long was Sam Brownback's tenure?
CANNOTANSWER.
during his tenure what was his main goal.?
The Helsinki Commission monitors compliance with international agreements reached in cooperation with Organization for Security and Co-operation in Europe.
did he accomplish anything else during his tenure?
In 2000, Brownback and Congressman Chris Smith led the effort to enact the Trafficking Victims Protection Act.
did this bill pass?
President Clinton signed the legislation in October 2000.
Did he pass any other legislation?
CANNOTANSWER.
Did he anger or upset anyone during his tenure?
In November 2015, Brownback had an approval rating of 26 percent according to a Morning Consult poll, the lowest among all governors in the United States.
who were his allies?
Brownback was a member of the Judiciary Committee, the Senate Appropriations Committee.
was he involved in any scandals?
Brownback blocked a confirmation vote on a George W.
Bush federal appeals court nominee from Michigan, judge Janet T.
Neff.

Question: why did he block that person?
Self-contained rewrite: why did Sam Brownback block judge Janet T. Neff.?