In the Duma, members of United Russia worry that their vote to expel Mr Gudkov might lead to a broader purge of Duma representatives who have commercial interests.
In March Richard Freeman, a former doctor to Britain's all-conquering 2012 Olympic cycling team, was struck off by regulators for obtaining steroids in 2011 (Dr Freeman is appealing).
The case centered on Larry Harmon, a software engineer who found he'd been taken off the voter-registration list when he showed up to cast a ballot in 2015.
What happens there is, if you haven't voted in a couple of elections, they'll remove your name from the list of registered voters and not tell you about it.
The Turkish president was focused on the country's acquisition of a Russian air defense system, which led to Turkey being removed from the US F-35 fighter program.