Because of the large amounts of energy needed to create the large masses of the W and Z particles, the uncertainty principle ensures that a weak gauge boson cannot be borrowed for long, which limits the range of the force to distances less than 10−17 metre.
So when Carter went to Damascus, Obama was forced to distance himself.
Other Republicans have been forced to distance themselves from Trump's views on Putin.
The German government was forced to distance itself on Tuesday morning from the Social Democrat who led the country between 1998 and 2005.
The US Olympic Committee was forced to distance itself from the allegations, making clear the views of swimming coach John Leonard did not match their own.
But the real test of their loyalty will come next year, at election time, when they may be forced to distance themselves from their unpopular president.
US officials said the plan under discussion would also require western and Arab-backed opposition forces to distance themselves from Jabhat al-Nusra, linked to al-Qaida, to avoid being hit in airstrikes.
It was forced to distance itself from a claim by Trevor Shonk, a Kent councillor, that the established parties "have made the country racist" because of the influx of immigrants.
And only this week the Home Secretary was forced to distance herself from an allegedly leaked government report considering a cap on European migrant numbers after the Deputy Prime Minister dismissed the plan as "undeliverable" and "illegal".
Mr Corbyn was forced to backtrack on comments he made suggesting that police should not open fire on armed terrorists and he was also forced to distance himself from the Stop the War coalition which claimed that Western foreign policy had been partly to blame for attacks on the French capital.
Suffice to say that Finkel is forced to distance himself from Longo — in part because of what he hears, but also for the sake of his own moral health, so as to make a fresh start, and become the journalist who (unlike the murderer) can say mea culpa.
