He resigned because he saw his resignation as the only way of solving a serious problem Jackson faced.

VOA: special.2009.01.01

This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.

VOA: special.2009.06.17

Some Arizona officials blame smugglers for a serious problem with kidnappings in the Phoenix area.

VOA: special.2010.07.03

The most serious problem was what to do with property owned by the federal government.

VOA: special.2009.07.23

Untreated heat stress can lead to a more serious problem called heat exhaustion.

VOA: special.2010.07.27

He says child labor is an especially serious problem in West African countries.

VOA: special.2009.06.08

Getting enough good air to breathe became the most serious problem.

VOA: special.2009.07.22

He calls it "a very serious problem in the United States."

VOA: special.2010.06.14

The problem is especially serious in Asia and the Pacific.

VOA: special.2010.04.05

But there was a serious problem after the landing.

VOA: special.2009.06.17

Pierce agreed that Kansas was a serious problem.

VOA: special.2009.04.30

It was a serious problem with Apollo Thirteen.

VOA: special.2009.07.22

He believed the problem was too serious.

VOA: special.2010.06.17

The most serious problem involved Spain.

VOA: special.2010.07.15

Malnutrition remains a serious problem for India.

VOA: special.2010.05.12

He said it is a serious international problem that should be addressed broadly and can not be solved entirely by military means.

VOA: standard.2009.04.13

(Speech) The envoy said developed nations should take "serious action" to remain true to their words in solving the problem they caused.

VOA: standard.2009.11.26

"Human trafficking is a very serious problem in the United States."

VOA: standard.2010.05.24

Consultant Anholt calls it a serious problem.

VOA: standard.2009.11.05

And,there is a serious problem when you use the term 'regime change' that you might encourage people to demonstrate,or to act in ways, where we can do absolutely nothing to protect or encourage them."

VOA: standard.2010.06.11

In an attempt to show they are serious about supporting a solution to the protracted Cyprus problem, Britain has renewed an offer to cede about half the territory of its bases in Cyprus.

VOA: standard.2009.11.11

"Now,the degree which will have on the peace process and other things which are sort of the hard facts of the Middle East,is something else, altogether,as obviously there is a very serious problem with the Israeli government and so on.

VOA: standard.2009.05.09