H. Rept. 114-369, Part 1: Visa Waiver Program Improvement Act of 2015, Report to Accompany H.R. 158, House of Representatives, One Hundred Fourteenth Congress, First Session, December 7, 2015 [open pdf - 264KB]
"The Committee on Homeland Security, to whom was referred the bill (H.R. 158) to clarify the grounds for ineligibility for travel to the United States regarding terrorism risk, to expand the criteria by which a country may be removed from the Visa Waiver Program, to require the Secretary of Homeland Security to submit a report on strengthening the Electronic System for Travel Authorization to better secure the international borders of the United States and prevent terrorists and instruments of terrorism from entering the United States, and for other purposes, having considered the same, report favorably thereon with an amendment and recommend that the bill as amended do pass."
H. Rept. 114-369; House Report 114-369
Government Printing Office: http://www.gpo.gov/