Facebook IPO stumbles: Why didn't it wow investors? (+video)

Appeals court upholds key provision of Voting Rights Act. Supreme Court could loom

7:53 pm ET - A federal court on Friday rejected an Alabama county's argument that a key part of the 1965 Voting Rights act is outdated. That could set the stage for a Supreme Court hearing. 

'Day One': What Mitt Romney's new ad really tells us

6:59 pm ET - Mitt Romney's first TV ad of the general election bypasses the usual personal narrative to give us his agenda for Day 1 in office: the Keystone pipeline, tax reform, and replacing 'Obamacare.'

G8 summit: Euro crisis and possible 'Grexit' overshadow agenda

2:59 pm ET - The G8 leaders hosted by Obama at Camp David have several global issues on their minds: Syria, nuclear proliferation, famine. But the eurozone debt crisis is once again the dominant concern.

• Hollande-Cameron don't agree on much – except need to save the eurozone
• The Monitor's View: At G8 summit, US taps into Africa's 'cheetah generation'

Afghanistan security for less? How low can NATO go?

4:56 pm ET - As NATO leaders convene for the weekend summit in Chicago, one pressing issue is whether, and how much, the post-NATO-withdrawal Afghan security forces can be pared down to save money.

• Afghanistan after the US: What's next?
• The Monitor's View: At Chicago summit, NATO must take stock of its big shoulders

As its banking woes mount, Spain ponders where to go from here

3:41 pm ET - Its banks struggling, Spain has moved closer to needing a bailout. But some argue the takeover of Bankia and other measures could mark the beginning of movement toward greater stability.

China is a lead cyberattacker of US military computers, Pentagon reports

3:31 pm ET - China is especially interested in gleaning how best to defend its own computer networks from cyberattack, says a Pentagon report on cyberwar threats. But China is also improving its offensive abilities.

Latest evidence in Trayvon Martin case: Does it help George Zimmerman? (+video)

10:17 am ET - A trove of evidence from the Trayvon Martin shooting released Thursday may buttress George Zimmerman's claims of self-defense, some analysts say. But one finding undergirds the prosecution: The shooter could have avoided the situation.

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Has the tea party sold out? House freshmen aren't who they seem.

2:49 pm ET - A report by the arch-conservative Club for Growth undercuts the notion that freshmen House Republicans are unified – and uniformly committed to the most stringent tea party ideals.

US imposes tariff on Chinese solar panels, a victory for US manufacturers

6:50 pm ET - US manufacturers had sought the ruling by the Commerce Department that Chinese firms were dumping solar panels, but the dispute is likely to aggravate US-China relations.

Netanyahu: Iran won't take nuclear talks seriously

8:54 am ET - Speaking in Prague, Israel's prime minister compared Iran's nuclear drive to that of North Korea, and said he has seen no evidence of Iran taking upcoming talks seriously.

• House adopts hard line on Iran. Would stance move US closer to war?

Candidate Aboul Fotouh highlights diversity of Egypt's Islamists

8:19 am ET - Abdel Moneim Aboul Fotouh has emerged as a top candidate in next week's Egyptian presidential elections.

Cybersecurity: How US utilities passed up chance to protect their networks

5:13 pm ET - Cybersecurity needs are not hypothetical, as the recent DHS warning of a cyberattack on the US natural gas industry shows. Why then was a post-9/11 initiative to secure US utilities dropped?