A news embargo lets reporters see news early but hold it until a set time. Here is where the practice came from, how it works and how readers can spot it.

In August 2014 Clear Channel switched Pittsburgh’s WPGB 104.7 FM from news-talk to country as Big 104.7, moving Rush Limbaugh and other hosts to AM 1320 WJAS.

In June 2017, MSNBC Morning Joe co-host Joe Scarborough released a music video for his EP Mystified, which included footage of President Donald Trump.

In May 2017, Cars.com, Peloton and other advertisers left Sean Hannity’s Fox News show; the network said he was on a planned vacation and would return Tuesday.

In August 2014, US news outlets covered Ebola’s arrival in American hospitals as fear spread online; later studies measured the tone of that coverage.

On November 14, 2014, Fox Business anchor Melissa Francis said CNBC managers told her she was disrespecting the presidency; CNBC called her claim laughable.

On July 14, 2014, CNBC’s Rick Santelli debated Fed policy with Steve Liesman and a panel on Halftime Report, and briefly walked off camera mid-argument.

Fox News host Jeanine Pirro returned to Justice with Judge Jeanine on March 30, 2019, after a two-week absence, drawing 2.563 million total viewers.

On May 11, 2018, MSNBC host Nicolle Wallace asked a reporter how she resisted the urge to wring Sarah Sanders’ neck, then apologized on Twitter the same day.

After CNN’s October 13, 2015 Democratic debate, Sanders supporters said the network deleted a Facebook poll and comments; Snopes found the poll stayed online.