Can Colombia cross into Ecuador in hot pursuit of rebels?

In what was labeled a "hot pursuit" mission, Colombian forces crossed into Ecuador and killed more than a dozen FARC guerrillas March 1.

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Comparison of headspace GC sensitivity depending on dilution

This application note details a study in which Class 3 solvents — water, DMSO and DMF — were analyzed by headspace GC using DMI as the dilution solvent. Researchers found that there were no components that could achieve a particularly good sensitivity when using DMI, compared to when using other dilution solvents.

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Pakistani court clears ‘corrupt’ Bhutto widower

The move could improve relations between Pakistan's U.S.-backed president and the party set to lead its new government.

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China's Military Budget Reported at $59 Billion

BEIJING, March 4 -- China announced Tuesday that it will again sharply increase its military spending this year, budgeting a 17.6 percent rise that is roughly equal to last year's increase.

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Live Video Coverage

Breaking News Live Video Editor's Note: You may receive an error message or color bars and a tone in between live feeds. Due to the nature of live events, you may need to reload this page, press the play button to start the video feed or wait a few moments until the video begins.

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CHAIRMAN JOINT CHIEFS OF STAFF, US DEPARTMENT OF DEFENSE

Admiral Michael Mullens, Chairman Joint chiefs of Staff, US Department of Defense, called on President Pervez Musharraf in Rawalpindi here today.

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Russia, China block UN Iran resolution

VIENNA: Russia and China on Tuesday scuttled a Western attempt to introduce a resolution on Iran's nuclear defiance at a meeting of the International Atomic Energy Agency, diplomats said.

The decision appeared to be the result of lingering unhappiness by the two world powers about not being informed earlier of plans for such a resolution.

It came a day after the U.N. Security Council imposed another round of sanctions on Iran for refusing to suspend uranium enrichment. Iran defiantly vowed to continue its nuclear program, which it insists is aimed only at generating power.

Moscow on Monday had threatened not to back the new U.N. sanctions against Iran unless the West gave up its IAEA resolution plans.

Then on Tuesday it signaled that it was ready to back such a document if it was given substantial input in drafting it before deciding later in the day that it was against it after all, said the diplomats, who spoke on condition of anonymity because the information was confidential.

Asked why Russia and China were opposed, one of diplomats said Moscow decided to withdraw its support "on principle" and Beijing, which often takes a cue from Russia on the Iran nuclear dispute, followed suit.

A senior Western diplomat said the decision to scrap plans for a resolution was jointly taken by the six powers taking the lead on engaging Iran on its nuclear program — the United States, Russia, China, Britain, France and Germany.

He said the six felt that new U.N. Security Council sanctions passed Monday to punish Iran had sent enough of a message.