Research exercise: Libel Law Exceptions for the Press in 2nd & 7th Circuit Courts of Appeals

Is the prudent publisher test from Curtis v. Butts -- specifically the urgency exception for the press in libel cases -- providing protection for journalists using Twitter and other social media? Also: How does the Seventh Circuit Court of Appeals define the opinion exception to libel law?https://ecommons.udayton.edu/stander_posters/1248/thumbnail.jp