National Border and Homeland Security Act of 2010

[AI summary unavailable — showing source text] National Border and Homeland Security Act of 2010 - Amends the Immigration and Nationality Act to give state criminal alien assistance program (SCAAP) funding priority to: (1) northern or southern border states; or (2) state political subdivisions having one of the four largest populations of unlawfully present aliens for the preceding fiscal year. Amends the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 to direct the Secretary of Homeland Security (DHS) (Secretary) to complete the required 700 mile southwest border fencing by December 31, 2012. Amends the Secure Fence Act of 2006 to direct the Secretary to achieve operational control over U.S. international land and maritime borders by December 31, 2012. Directs the Secretary to: (1) increase the number of full-time, active-duty Border Patrol agents; (2) increase the number of Customs and Border Protection officers at U.S. ports of entry; and (3) ensure the implementaion of the automated entry and exit control system for aliens entering the United States at ports of entry (US-Visit) by December 31, 2011. Prohibits the Secretary of the Interior and the Secretary of Agriculture (USDA) from impeding border secur…