The goal is to stop the cycle of easing rules on banks in good times and tightening them only after a crisis.

VOA: special.2010.09.17

He and his team have identified proteins that control the tightening of a plant's pores.

VOA: special.2010.01.26

Security was reported to be heavy at the North Korean border, but there was no apparent tightening in Beijing, where Mr.Kim is believed to be heading.

VOA: standard.2010.05.03

Congressman Henry Cuellar says tightening the border alone won't do the trick.

VOA: standard.2010.07.20

Democrat Keith Ellison, one of two Muslims in the U.S.Congress, and fellow Democrat Barbara Lee argued that tightening sanctions would make President Barack Obama'sefforts in negotiations with Iran harder.

VOA: standard.2009.10.28

In the year 2000, the United States did ease the agricultural export ban to Cuba, but a later tightening of policy, to require advance cash payments, choked off Cuban purchases of US grain.

VOA: standard.2010.07.29

But U.S.officials have lately credited Syria with tightening border controls with Iraq and largely refraining from interference in Lebanon's election process, which culminated in this week's victory by the pro-Western "March 14th" coalition.

VOA: standard.2009.06.09

"You know, we're seeing a bit of a change in tide as things get better, but we certainly felt it for a little bit, but as we're all doing, we're tightening the belts and working harder to find those other dollars."

VOA: standard.2010.02.21

"You are going to see an uplift of forces come in and I think you'll start to see this tightening ring of security in and around Kandahar city that I think will then provide the security bubble for governance to start to take in and development to start to take root in Kandahar city."

VOA: standard.2010.05.26