But another difficulty is less easy to eradicate.

ECONOMIST: Trial and error

He told the Times that welfare should not be "an easy target" and the government had "a responsibility to support people in difficulty".

BBC: Iain Duncan Smith opposes suggested ?10bn welfare cuts

"Migrants become easy targets at times of economic difficulty but introducing yet more tough measures to exclude people could damage our prospects for economic recovery, " said IPPR's Tim Finch.

BBC: Citizenship test plans published

Also included is one model for which we have difficulty finding a reason for any rational motorist to purchase, aside from it being easy to park, the diminutive two-seat Smart ForTwo.

FORBES: New Cars To Avoid: Jeep Wrangler, Nissan Xterra And More