Border

AP Photo/J. Scott Applewhite

The Republican-led Senate is set to deal President Donald Trump a rebuke on his declaration of a national emergency at the Mexican border, with the only remaining question how many GOP senators will join Democrats in defying him.

Arizona Sen. Martha McSally says she'll vote to uphold President Donald Trump's emergency declaration freeing up money to build a wall on the southern border.

AP Photo/Ross D. Franklin

Vice President Mike Pence is calling on the Senate not to reject President Donald Trump's emergency declaration freeing up money to build a wall on the southern border.

AP Photo/Jose Luis Magana

Firearms use by U.S. Customs and Border Protection officers and agents is declining, and less-lethal force is also down, according to data obtained Tuesday by The Associated Press. The decrease comes as fewer people are crossing the border illegally and after the agency overhauled how force should be deployed at the border.

Arizona Gov. Doug Ducey has been appointed to a group that advises the White House on homeland security and national defense issues.

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