[et_pb_section fb_built="1" admin_label="section" _builder_version="4.16" global_colors_info="{}"][et_pb_row admin_label="row" _builder_version="4.16" background_size="initial" background_position="top_left" background_repeat="repeat" global_colors_info="{}"][et_pb_column type="4_4" _builder_version="4.16" custom_padding="|||" global_colors_info="{}" custom_padding__hover="|||"][et_pb_text admin_label="Text" _builder_version="4.16" background_size="initial" background_position="top_left" background_repeat="repeat" global_colors_info="{}"]In a letter sent Monday to YouTube’s Chief Executive Officer Susan Wojcicki, five U.S. Senators expressed their “serious concern that YouTube continues to host videos that instruct viewers on how to make and manufacture