Term limits check the power of incumbency as an election-winning tool and allow new and energetic leaders and ideas to flourish.  Incumbency provides a huge election advantage. Leaders and politicians generally, almost always win re-election. Such has been the case in the United States, for example, where presidents are almost always re-elected for a second term. Leaders are re-elected because they have better name recognition both with the electorate and with lobby groups. People have a tendency to vote for those who they recognize, and firms tend to support past winners who will likely continue to benefit their interests. This problem has become particularly serious in developing world in which revolutionary leaders from the original independence movements are still politically active. These leaders often command huge followings and mass loyalty, which they use to maintain power in spite of poor decisions and corruption in many cases. Such has been the case in Zimbabwe with Robert Mugabe winning presidential elections in spite of mass corruption and mismanagement. [1] Only recently have the people finally voted against him, but it was too late, as his power had become too entrenched to unseat him. The uphill battle that will always exist to unseat incumbents makes term limits necessary. Countries need new ideas and new leaders to enact them. Old leaders using election machines to retain power do their country a disservice. Power is best used when it changes hands over time in order allow for dynamic new solutions to be mooted in a changing world.  [1] Meredith, Martin. 2003. Mugabe: Power and Plunder in Zimbabwe. Oxford: Oxford University Press.