In a wide-ranging request for documents and analysis, President-elect Donald Trump's transition team asked the Department of Homeland Security last month to assess all assets available for border wall and barrier construction. The team also asked about the department's capacity for expanding immigrant detention and about an aerial surveillance program that was scaled back by the Obama administration but remains popular with immigration hardliners. And it asked whether federal workers have altered biographic information kept by the department about immigrants out of concern for their civil liberties. The requests were made in a Dec. 5 meeting between Trump's transition team...