41.   Which is why, experts insist, there is no time left to lose.

42.   While the FBI maintains that there is no stereotypical bank robber, some crime experts insist that bank robbers are among the dumbest thugs going.

43.   Yet advertising experts insist repetition is needed to drive the message home to viewers.

44.   But what it cannot do, the experts insisted, is spread among people or kill them.

45.   Despite the tensions, U.S. and Saudi experts insist the ties between their countries will survive.

46.   He denies the charges, but experts insist his signature on the letter is authentic.

47.   Health experts insist biotech foods now sold are safe.

48.   Medical experts have insisted for years that there is no scientific correlation between character and blood type, but to no avail.

49.   Some experts still insist testing of younger women saves lives.

50.   These experts insist that Russia should join the North Atlantic Marine Mammals Commission, where decisions are based on all factors.