(The very programming of this series at BAM is a sign of their influence).
Trump's adoption of the policy is, to some extent, a sign of the influence of the military men around him.
Analysts and Iraqi opposition leaders agree that this is a sign of the influence that Iran, a mostly Shiite country, has on the Iraqi government.
Its uncharacteristic assertiveness may be a sign of the influence of the new king's son and defence minister, Muhammad, who is in his 30s.
In a sign of the influence of Barack Obama on Tory thinking, a mini "West Wing" would be created in Downing Street which would see Cameron work alongside George Osborne, his closest ally.
Britain has relinquished its years-long grip on the number two military job in Afghanistan, a sign of fading influence as British troops head home faster than those of other Nato countries.
And, in a sign of her influence as an emerging trend-setter, the garment has since sold out in Middleton-esque sizes (6, 8 and 10) on Burberry's website.
The new austerity, as well as the tight control European institutions will exert on Athens' management of the reforms, were seen as a humiliation and a sign of German influence – as Jean-Luc Mélenchon, the maverick leader of the "left of the left", quickly pointed out.
In a sign of the influence the network holds with Republicans, it will be addressed by rising stars of the party including US senator Ted Cruz of Texas, who led the push for the recent government shutdown, and the party's budget guru, Paul Ryan of Wisconsin.
