And he said they wanted a change. He said: "Party unity is not a sufficient excuse for silence."

VOA: special.2009.08.30

"That's no excuse for talking back to your teacher, or cutting class or dropping out of school.

VOA: special.2009.09.10

That's no excuse for not trying."

VOA: special.2009.09.10

He says if those with the least pollution start doing the most, rich nations will not have an excuse for inaction.

VOA: standard.2009.11.09

"The recession must not, cannot and will not be used as an excuse for going back on our promise on aid,".

VOA: standard.2009.04.09

That's no excuse for talking back to your teacher or cutting class or dropping out of school.

VOA: standard.2009.09.08

"I'm an optimist, and I think if you're a pessimist that's just an excuse for inaction."

VOA: standard.2010.02.24

But Brumberg urges the Obama administration not to allow Arab regimes to use disputes with Israel as an excuse for evading their own political reforms.

VOA: standard.2010.05.19

There is no excuse for not trying."

VOA: standard.2009.09.08

"The circumstances of your life what you look like, where you come from, how much money you have, what you've got going on at home that's no excuse for neglecting your homework or having a bad attitude in school.

VOA: standard.2009.09.08