Ed Husain writes, "Boston will not be the last homegrown terror attack. Bombastic statements and burying our heads in the sand do not prepare us for future attacks."

Ted Alden reflects on impending immigration reform in light of the recent Boston Marathon bombings.

Ed Husain says Europe needs to foster a greater sense of multiculturalism. In the United States, immigrants are accepted; in most of Europe, they are just tolerated.

Edward Alden says increased internal and external border enforcement as well as economic crisis has decreased the population of unauthorized immigrants in both Europe and the US. Policies should provide incentives to encourage legal migration rather than just disincentives against illegal migration.

Jagdish Bhagwati and Francisco Rivera-Batiz suggest that interstate competition for illegal labor will force states with tough illegal immigration policies to soften their stances.

Shannon K. O'Neil discusses the role illegal immigration plays in the 2012 U.S. presidential race and says the rhetoric does not always match up to current immigration realities.

As the pace of illegal immigration ebbs, Edward Alden writes that politicians should turn their focus to reforming policies for legal immigration.

Edward Alden says the Department of Homeland Security has developed a sensible and effective way to track visa overstays, but the question now is whether Congress will embrace it.

Edward Alden argues that border enforcement must be coupled with sensible reforms that allow more Mexicans to come into the United States legally to work.

Edward Alden discusses how the United States' opaque system of visa checks undermines its ability to attract and retain skilled immigrants.

Edward Alden and James Ziglar argue that fixing the U.S. immigration system requires reforming the laws on legal immigration rather than just the enforcement components. A realistic, flexible visa program that matched available workers to open jobs would reduce pressure on limited enforcement resources.

Jagdish Bhagwati and Arvind Panagariya write that the provision raising visa fees on H1(b) and L-1 temporary work visas violates the WTO's non-discrimination rules.

Edward Alden writes that "unless we begin a sensible debate on what a secure border means, and how to get there, badly needed immigration legislation will forever be hostage to an elusive goal."

Edward Alden says that the real threat to U.S. national security is not the people we fail to keep out but those we fail to invite in.

Amity Shlaes argues that immigration of skilled workers into the United States might be the key to bringing Social Security into balance without raising taxes.

Edward Alden discusses the Obama administration's quiet overhaul of immigration policies.

Edward Alden argues that the Obama administration should promptly eliminate the "special registration" procedures under the National Security Entry-Exit System set up after September 11, 2001.

This year's Nobelists demonstrate the United States' success in science. But Edward Alden argues that we are jeopardizing this success through shortsighted immigration restrictions that make it difficult for the most talented and ambitious scientists to come here and remain.

Jeb Bush, Thomas F. McLarty III, and Edward Alden discuss the recent Independent Task Force on Immigration Policy and argue, "Getting immigration policy right is fundamental to [U.S.] national interests -- our economic vitality, our diplomacy and our national security."