Ed Driscoll on Instapundit, neocon Roger Simon and NRO claim that the audience at the Values Voters Summit booed Trump when he slammed Rubio; commenters report they were booing Rubio:

Can't load tweet https://twitter.com/rogerlsimon/status/647537057812754432: Unknown MIME type: text/html

Can't load tweet https://twitter.com/NRO/status/647660138954887169: Unknown MIME type: text/html

However, commenters at Instapundit insist that the crowd was booing Rubion, and even pollster Frank Luntz says this:

I’m the last person you’d expect to defend Donald Trump, but these sound like boos of agreement, not against him.http://t.co/V4Fu60UEzh

— Frank Luntz (@FrankLuntz) September 25, 2015

See previous letters from the same reader.

James Fulford writes: You can see the video here:

WATCH: Donald Trump booed at Values Voter Summit after calling @marcorubio a "clown."https://t.co/DVnh74ij6h

— ABC News Politics (@ABCPolitics) September 25, 2015

It suggests that neocons are getting desperate.