New Delhi, May 12 -- Forty years. That's how long Ugandan President Yoweri Museveni has been in power.

The 81-year-old will be sworn in Tuesday to extend his presidency over a further five-year term that may well be his last - although not necessarily the last for the Museveni family.

The president's son and presumptive heir, army chief Gen. Muhoozi Kainerugaba, oversaw dayslong rehearsals of the military parade that will animate the eighth inauguration of Museveni, with Russian-made Sukhoi fighter jets flying noisily over official ceremonial grounds in Kampala, the Ugandan capital.

Many Ugandans now accept that Museveni's presidency - the only one that millions of people have known - is nearing its end. What remains uncertain is the n...