Other critics say the administration is soft on illegal immigration, pointing to recent moves to use executive powers to change immigration procedures without altering the law.

WSJ: U.S. Arrests More Than 3,100 Illegal Immigrants

Some experts also blame lax public health procedures at immigration control for the rise in TB in developed countries.

BBC: TB: The killer returns

Frequent travelers can bypass immigration procedures at nearly a dozen North American airports by registering their palm prints with the Immigration and Naturalization Service.

CNN: graphic

Frequent airline travelers can already bypass immigration procedures at nearly a dozen North American airports by registering their palm prints with the Immigration and Naturalization Service.

CNN: Airport security aiming for new technologies