The row involving Mr Holder centres on a botched operation to curb gun-running from America to Mexico run by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), a division of the Justice Department.

ECONOMIST: Executive authority v congressional oversight

Despite attempts to curb spending, the running costs of F1 teams have increased.

WSJ: F1 Racing Relies on

He compounded matters by choosing as his running-mate Paul Ryan, a congressman known for his determination to curb the unsustainable expansion in the cost of Medicare, before promptly declaring that he would rescind the cuts to Medicare that Mr Ryan had envisaged.

ECONOMIST: Overview