tonight the theme is opioids in the book "in pain" travis rieder shares his experience with dependency. journalist beth macy talks about her book "dopesick." and in "american overdose" chris mcgreal reports on the opioid epidemic in america. watch tonight at 8:30 p.m. eastern on cspan 2 and enjoy book tv this week and every weekend on c-span 2. >>> the house will be in order. >> for 40 years, c-span has been providing america unfiltered coverage of congress, the white house, the supreme court and public policy events from washington, d.c., and around the country so you can make up your own mind, created by cable in 1979. c-span is brought to you by your local cable or satellite provider. c-span, your unfiltered view of government. >>> a panel of policy experts and capitol hill legislative staff discuss the evolving nature of children's online privacy concerns as well as the way legislators and regulators are addressing those concerns. this event was hosted by the family online safety institute on capitol hill in washington, d.c.