GOP strategist cautions Trump on joining forces with RFK Jr: 'He’s kind of a looney tune'

Republican strategist Scott Jennings advised former President Trump to be careful now that he has seemingly joined forces with Robert F. Kennedy Jr., arguing the independent presidential candidate is “kind of a looney tune.” 

CNN anchor Wolf Blitzer asked Jennings Friday if Kennedy’s endorsement could “end up backfiring" on the former president, considering the environmental lawyer’s controversial views on vaccines and embrace of some conspiracy theories. 

The senior CNN pundit...