So far, the GOP leadership has been successful at blocking anti-war legislation because Democrats don't have the 60 votes to cut off what would become an endless debate on the war.

NPR: Senate Democrats Push for All-Night Debate on Iraq

President Clinton took office in 1993 and lifted that ban, but in 1994 he ceded some ground to the anti-stem-cell crowd by blocking the use of federal money to create embryos for research.

FORBES: Magazine Article

On July 5th, South Africa's highest court ordered the government to stop blocking the universal provision of an anti-AIDS drug at public hospitals to prevent the disease being transmitted from mothers to children.

ECONOMIST: The menace of AIDS | The

But the anti-pipeline crowd is wrong in thinking that blocking Keystone XL will somehow stop development of the oil sands.

FORBES: Come On Already, Let's Build Keystone XL

An anti-collusion rule forbids participants from strategizing together and blocking less experienced players.

FORBES: David Vs. Goliath

With fixes to ensure the legislation only targets rogue websites and does not create unintended problems by requiring actual website blocking or traffic filtering, support for online anti-piracy legislation is likely to strongly consolidate as the bills progress, enabling it to become law in this Congressional session.

FORBES: SOPA Opponents' Bogus Net Neutrality Comparisons

Some experimental anti-Alzheimer's drugs aim to arrest the disease by blocking amyloid buildup.

FORBES: Magazine Article

For instance, Mr. Flint says, most anti-frizz products over the past 30 years contained silicone, which is ineffective at blocking out humidity.

WSJ: How I Built It: Lawyer Takes On Beauty Care

Emotion UI is also pre-installed with a smartphone housekeeper function to support real-time data traffic tracking, automatic blacklisting and blocking, periodical system cleaning, and spontaneous exiting of idle programs and cache cleanup, in addition to anti-virus, energy saving, privacy protection, software management, and more.

ENGADGET: Huawei Ascend P2 hitting Europe in Q2 for 399 euros, we go hands-on (update: video)