11.   Brown expects the Fed to raise interest rates modestly in June unless economic data in the next few weeks offers convincing proof that a slowdown has begun.

12.   Hun Sen complained this year of three separate plots being mounted against his life, though he has never produced convincing proof.

13.   If Kerekou gets the win and Soglo decides to challenge it further, he will have to provide convincing proof of fraud.

14.   No convincing proof was ever produced.

15.   Opponents of the death penalty say there has been no convincing proof anywhere in the world that capital punishment effectively deters crime.

16.   Researchers from the University of Alabama at Birmingham presented what they called convincing proof that the AIDS virus originated in chimpanzees and spread to people in Africa.

17.   When officials blamed the terror on Osama bin Laden, they decided to withhold judgment until they saw convincing proof.

18.   But the commission rejected the arguments as groundless, contending that the petitioners had not produced convincing proof of discrimination.

19.   It also helped gather evidence to support the Big Bang theory and provided the first convincing proof by an optical telescope of the existence of black holes.