The heart of the security agenda is protecting lives - and we now know that the number of people who will die of AIDS in the first decade of the 21st Century will rival the number that died in all the wars in all the decades of the 20th century.
It cannot take decades to resurrect, we must act immediately with purpose and enthusiasm to rebuild.
It simply cannot be disputed that for decades the Palestinian leadership was more interested in there not being a Jewish state than in there being a Palestinian state.
For more than two decades, Barry Diller has been among the most respected - and feared - figures in the entertainment industry.
For value investors, General Motors is a tempting target. The company's share of the North American auto market has steadily declined for two decades, and analysts say the company suffers from weak management and unexciting cars.
Two years passed, and I had no second book to follow 'Roots.' Four years passed, six years. When a decade had passed without me having another book to follow 'Roots,' I was having serious private frustrations with myself.
Coming out of Juilliard, I honestly was expecting and willing to be breaking my neck, hustling, and being unemployed for a decade, two decades. I was gritting my teeth, but I was so down to do that.