Former Ranking Member, Aviation Operations, Safety, and Security Subcommittee, United States Senate
Former Member, Communications, Technology, Innovation, and the Internet Subcommittee, United States Senate
Member, Congressional Internet Caucus
Co-Chair, Congressional Meth Caucus
Former Member, Oceans, Atmosphere, Fisheries, and Coast Guard Subcommittee, United States Senate
Member, Senate Lewis and Clark Bicentennial Congressional Caucus
Member, Senate National Guard Caucus
Member, Senate New Democrat Coalition
Member, Senate Steel Caucus
Former Member, Subcommittee on Energy, Natural Resources, and Infrastructure, United States Senate
Former Member, Subcommittee on Energy, United States Senate
Former Member, Subcommittee on Health Care, United States Senate
Former Member, Subcommittee on International Trade, Customs, and Global Competitiveness, United States Senate
Former Member, Subcommittee on Public Lands, Forests, and Mining, United States Senate
Former Member, Subcommittee on Water and Power, United States Senate
Former Member, Surface Transportation and Merchant Marine Infrastructure, Safety and Security Subcommittee, United States Senate
Former Member, Taxation and IRS Oversight Subcommittee, United States Senate
Former Ranking Member, Aviation Operations, Safety, and Security Subcommittee, United States Senate
Former Member, Communications, Technology, Innovation, and the Internet Subcommittee, United States Senate
Member, Congressional Internet Caucus
Co-Chair, Congressional Meth Caucus
Former Member, Oceans, Atmosphere, Fisheries, and Coast Guard Subcommittee, United States Senate
Member, Senate Lewis and Clark Bicentennial Congressional Caucus
Member, Senate National Guard Caucus
Member, Senate New Democrat Coalition
Member, Senate Steel Caucus
Former Member, Surface Transportation and Merchant Marine Infrastructure, Safety and Security Subcommittee, United States Senate
Former Member, Taxation and IRS Oversight Subcommittee, United States Senate
Chair, Committee on Commerce, Science, and Transportation
Member, Committee on Energy and Natural Resources
Member, Committee on Finance
Member, Committee on Indian Affairs
Member, Committee on Small Business and Entrepreneurship
Member, Joint Committee on Taxation