Hi there,
Live report of LA show 18th October was uploaded on music news website called NATALIE.
That report is written by Japanese writer and then translated in English.
Writer sticked to Polysics 2 days, promotion day and show day, you can read 3 articles not only live report but also  attraction from the US label and rehearsal report from back stage.
Have a look please if you are interested!!
 

[Natalie - Daily J-POP News from Tokyo]
http://natalie.mu/en

■Day before the live at LA! POLYSICS's attraction from the US label
http://natalie.mu/en/news/show/id/10323
■POLYSICS' rehearsal report from back stage before their live!
http://natalie.mu/en/news/show/id/10327
■Go crazy! The fastest POLYSICS' LA live report!
http://natalie.mu/en/news/show/id/10329