But the gridlock is most damaging to Republicans who, four months after electoral gains that gave them control over both chambers of the legislature, have allowed bitter internal divisions to impede effective government.
Aiken has said reporters are the only people asking whether being a gay man could impede his campaign to represent such a conservative district.
According to Imperial College's Dr Robin Carhart-Harris, a researcher into the effects of drugs on the brain, "The current laws impede our research due to the requirement for a Schedule 1 drug license, which is expensive, takes a while to set-up and requires maintenance fees and check-ups.
The second is that a transaction tax would impede the efficient working of markets and add to business costs, which would be passed on to consumers.
It is suffering from an economic catastrophe now and will continue to suffer from an economic catastrophe if it stays in the euro without generous debt forgiveness and policies that facilitate, rather than impede, growth.
Studies have shown how tighter rules impede growth in labour-intensive industries and prompt firms to remain small.Two-tier worldYet the industrial belt in which Maruti's factory sits shows times have changed.
They are long on plans to cut red tape and make labour markets more flexible, but short on tackling the network of subsidies and protection that impede competition, says the II Es Mr Posen.
The security services try to impede foreign journalists from visiting leaders who have been released from jail, and keep the two most senior figures under lock and key.
But for the sake of the government's survival, they're not saying it too loudly".Campaigners for democracy and openness are worried that Mr Kenyatta and his friends are trying to impede them, much as the government has plainly done its best to hamstring the ICC's investigation.
Moreover, they have constructed a machinery in the shape of States, specially and deliberately calculated to impede central action, to stop the exercise of power, to reduce government, except so far as it is expressed in arrests by the parish constable, to an impossibility.
The chair of the Tennessee Senate's labour committee worried that "a vote for organised labour would impede our daily efforts to benefit Tennessee families as we compete nationally in job growth".
