From 1920 until 1937 he was a member of party leadership.
I have never been involved in party leadership at any level.
In 1972 he became a member of the party leadership.
On the Democratic side, the party leadership is in control.
In 1982, he was part of a movement by young members to bring change to the party leadership.
In 2002, he decided to leave the leadership of his own party and politics.
Instead, it once again became an arm of the party leadership.
"The West seems to set great store by the present party leadership," he said.
As such, he has sometimes found himself at odds in Washington with the leadership of his own party.
He is expected to take over the ruling party leadership early in 2012.