If you search for orphan works bill, and include any of the major photography associations you feel are respectible, you get a lot of good useful information. Its a real bill, and very bad for photographers. Yea, there are some sensationalism by some, but its because they are quite emotional about the bill.
Reading the whole bill will take a lot of time, and probably won't really get everyone to see the full ramifications of it. So instead, so see what the APA, ASMP, PPA, NAPA, EP, WPA, or any other association you feel comfortable with, and see what they are saying. Most have had the time to really understand the bill and made public their position. Most are against it because it is a severe loss of rights for photographers. There are so many better ways to address the problem rather than how the bill has addressed it.
If you haven't take the time to read up on it, you really should. Otherwise you'll be kicking yourself in the pants down the road while complaining about how ti happened.
If you skipped the next few evenings of reading about techniques, lighting, which tripod to buy, or what to charge, and instead took that time to read up on orphan works and wrote your representative, it will have a more significant impact on your photography and its earning potential in the future. If you ever plan on doing this as a business, you really need to take that time!