bugbear, imbecilic, Likely a nonstarter

Putin suggested that Mueller’s team travel to Russia for interviews with indicted intelligence officers—on one problematic condition.

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Putin’s ‘Interesting Idea’ for Mueller Probe Likely a Nonstarter

The former Director of the CIA.

nonstarter

NOUN

• 1A person or animal that fails to take part in a race.

  ‘Gawley wasn't the only nonstarter at Donington’

  1. 1.1informal A person, plan, or idea that has no chance of succeeding or being effective.
     ‘as a business proposition it's a nonstarter’

     ‘when it came to women, he was a nonstarter’

imbecile

NOUN

informal 

• A stupid person.

ADJECTIVE

• attributive Stupid; idiotic.

  ‘try not to make imbecile remarks’

Origin

Mid 16th century (as an adjective in the sense ‘physically weak’): via French from Latin imbecillus, literally ‘without a supporting staff’, from in- (expressing negation) + baculum ‘stick, staff’. The current sense dates from the early 19th century.

bugbearnoun [ C ] 

UK ​ /ˈbʌɡ.beər/ US ​ /ˈbʌɡ.ber/

​

a particular thing that annoys or upsets you:

Smoking is a particular bugbear of his.