As the U.S marks the 80th anniversary of the repeal of the Chinese Exclusion Act, thousands of Chinese immigrants are crossing the U.S.-Mexico border, mostly for the same reasons as their countrymen did more than a century ago.

Former U.S. President Donald Trump’s recent comments that immigrants are “poisoning the blood” of the United States is drawing sharp rebukes from his critics, who note that these very same words were used by European dictators in the 1920s-1930s.

President Emmanuel Macron wants to reform immigration law with stricter deportation measures. But migrants and refugees in France protesting against the reform say the severity of the new measures is unprecedented.

Venezuela’s government pressed ahead with the non-binding referendum despite the UN’s top court urging restraint in a territorial dispute with neighboring Guyana. Venezuelan voters also supported the formation of what Venezuela’s government describes as a new state whose inhabitants would be given Venezuelan citizenship.

People with authoritarian political views are more likely to be concerned about terrorism and border control than a future new health pandemic, new research shows.

PNNL experts work with international partners to tackle cross-border biological and chemical threats. PNNL’s border security focus can be traced to the breakup of the Soviet Union in the early 1990s. U.S. policy makers became concerned about the security of nuclear material in the newly independent states of the former U.S.S.R.

Every year, millions of cargo containers make their way to U.S. ports of entry via maritime, roadways, and railways. According to U.S. Customs and Border Protection (CBP), more than 100,000 commercial cargo trucks cross U.S. POEs daily. To combat the threat of human and drug trafficking, it is imperative that their methods for cargo screening and physical examination are as thorough as they are efficient.

The fears of terrorists entering the U.S. illegally can never be completely dismissed, but to date they have been mostly hypothetical, as there is scant evidence that illegal immigrants have committed acts of terrorism in the United States. For now, the most serious terrorist danger still comes from lone-actor racially or ethnically motivated violent extremists (RMVEs), radicalized online here inside the United States, attacking soft targets using firearms.

Innovation and technological progress are key determinants of economic growth. There is growing evidence that immigrants play a key role in U.S. innovation. Based on a 2003 survey, U.S. immigrants with a four‐year college degree were twice as likely to have a patent than U.S.-born college graduates.