The deadly bombings at the Boston Marathon raise anew the vulnerability of U.S. civilian targets and homeland security policy dilemmas, as examined in this CFR Issue Guide.

Venezuela's next leader must confront rampant crime, economic distortions, and political divisions. This Issue Guide provides background and analysis on Sunday's election and the post-Chávez era.

Trace the Iraq war campaign through ten CFR meetings that assembled some of the leading foreign policy analysts and news figures of the past decade.

This guide provides expert analysis and background on some of the central issues facing Iraq ten years after the U.S.-led invasion.

This CFR Issue Guide provides resources and analysis on President Obama's inauguration and the foreign policy challenges facing his second administration.

This Issue Guide provides resources highlighting the foreign policy and national security implications of the U.S. presidential campaign and the challenges facing the next administration.

Editor's Note: Click here for CFR Issue Trackers on candidate positions and other 2012 campaign resources, which examine the foreign policy and national security dimensions of the presidential race.

The ongoing eurozone debt crisis continues to threaten the future of the single currency, even as European policymakers work to forge a closer political and fiscal union, explains this CFR Issue Guide.

In the wake of Egypt's tightly contested presidential election, this CFR Issue Guide provides expert analysis and essential background on the country's evolving political situation as the civilian leadership faces a growing power struggle with the military.

The killing of Afghan civilians allegedly by a U.S. soldier aggravates U.S.-Afghan ties, raises fresh doubts about talks with the Taliban, and feeds debate about strategy to end the war.

Anti-Germany protests in Athens have highlighted the country's complicated role as de facto leader of Europe while raising concerns about the continent's ability to advance difficult solutions to the sovereign debt crisis.

Vladimir Putin is expected to regain Russia's presidency despite a surge in public disapproval. Unknown is whether the vote will trigger widespread domestic protest or spur a downturn in Russia's relations with Washington.

The violence against U.S. troops in the aftermath of Quran burnings has raised fresh doubts over the U.S.-Afghan partnership and the mission in Afghanistan.

Greece appears to have averted imminent default, but its recovery prospects remain clouded by the severity of its planned austerity measures and the impact cutbacks have already had on its stricken economy.

Most critical information systems in the United States are operated by the private sector and remain vulnerable to cyber attacks. Newly proposed legislation would require businesses to meet minimum standards of protection, but has raised concerns about regulatory overreach.

Iran says it's ready to negotiate on its contentious nuclear program, but questions abound over Tehran's domestic politics and what confidence-building measures the West and Iran can agree upon.

As the White House releases the 2013 budget, corporate taxation could be an issue where Congress can find compromise in fiscal policy. Both parties agree the current corporate tax regime is inefficient and often disadvantages U.S. businesses globally.

Even as Greek leaders agree to new austerity measures, the IMF is calling on Greece's official creditors to take losses on its bond holdings. Analysts and policymakers increasingly question the wisdom of EU-mandated austerity measures at the expense of growth.

Amid increasing fears of a civil war in Syria following the failure of the UN Security Council resolution, analysts remain divided over the question of intervention and how best to address the crisis.

The Pentagon's plan for an end to U.S. combat operations in Afghanistan by the end of 2013 has drawn familiar battle lines in the public debate over the proper endgame for the war.