
Homeland Security Secretary Kristi Noem said Tuesday the administration will paint the entire U.S.-Mexico border wall black at President Donald Trump's request, arguing the darker surface will absorb heat and make the structure harder to climb.

Homeland Security Secretary Kristi Noem said Tuesday the administration will paint the entire U.S.-Mexico border wall black at President Donald Trump's request, arguing the darker surface will absorb heat and make the structure harder to climb.