Republican politicians in the US have endorsed a gun programme where four-year-olds are trained to use military-grade weaponry on Sacha Baron Cohen's new comedy series 'Who is America?'.

In Sunday's premiere, British actor Baron Cohen played the role of Israeli anti-terrorist expert Col Erran Morad and successfully convinced former congressman Joe Walsh, former Senater Trent Lott, California congressman Dana Rohrabacher and South Carolina Congressman Joe Wilson to endorse "kinder-guardians".

What can I say Bradley? @SachaBaronCohen[1] got me. Do I believe kindergarteners should be armed? Hell no.

But, it's on me. Sacha fooled me good. Flew me out to DC for some made up friend of Israel award. I gotta live with it. https://t.co/r4juubOG9l[2]

— Joe Walsh (@WalshFreedom) July 15, 2018[3]

"In America, there's this big problem of shootings in schools," Baron Cohen said.

"The NRA want to arm the teachers. This is crazy! You should be arming the children."

All four politicians bought into Baron Cohen's idea with Joe Walsh saying the programme: "introduces specially selected children, from 12 to four-years-old, to pistols, rifles, semi-automatics, and a rudimentary knowledge of mortars."

"In less than a month, a first-grader can become a first grenade-er."

Walsh in a tweet said that Baron Cohen "fooled" him, but said he was against arming of kindergarteners.

'Do I believe kindergarteners should be armed? Hell no," he tweeted[4].

Walsh also told CNN that Baron Cohen duped him by telling him that he was "getting an award from some Israeli TV station because I'm a great supporter of Israel".

"They [had me read off of a teleprompter] about this four-year-old child

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