Mitch McConnell's Return to Senate: A Complex Web of Power Dynamics and Healthcare Reform Mitch McConnell has returned to the Senate after a fall left him hospitalized for several weeks.
His extended medical absence had created a power vacuum at the top of the Republican leadership hierarchy, with Senator John Thune temporarily taking over as Senate Majority Leader.
McConnell's return marks a significant shift in the balance of power within the Senate GOP caucus.