MINNEAPOLIS (AP) — A Minnesota scientist who leads an Environmental Protection Agency scientific advisory board says she was pressured by the agency's chief of staff to change her testimony before Congress to downplay the Trump administration's decision not to reappoint half of the board's members.

Emails show that EPA Chief of Staff Ryan Jackson asked Deborah Swackhamer, an environmental chemist who recently retired from the University of Minnesota, to stick to the agency's stance that the decision on appointments had not yet been made.

Now Democratic leaders of the House Science Committee ha...