The premier is selected by the president without the need for approval from the legislature, but the legislature can pass laws without regard for the president, as neither he nor the Premier wields veto power. Thus, there is little incentive for the president and the legislature to negotiate on legislation if they are of opposing parties. After the election of the pan-Green's Chen Shui-bian as President in 2000, legislation repeatedly stalled because of deadlock with the Legislative Yuan, which was controlled by a pan-Blue majority. Historically, the ROC has been dominated by strongman single party politics. This legacy has resulted in executive powers currently being concentrated in the office of the president rather than the premier, even though the constitution does not explicitly state the extent of the president's executive power.