In addition, if a driver behaved illogically in an emergency, the linked computer systems would be able to modify his instructions in order to produce an optimal manoeuvre.

ECONOMIST: Drive by wire

In a concrete sign that Wall Street is now prepared to help such families, it emerged that some leading bankers have withdrawn their opposition to allowing bankruptcy judges to modify the terms of mortgages in arrears in order to prevent foreclosures.

BBC: Obama urges action on economy

I, BARACK OBAMA, President of the United States of America, hereby modify the scope of the national emergency declared in Executive Order 13047 of May 20, 1997, as modified in scope in Executive Order 13448 of October 18, 2007, and relied upon for additional steps taken in Executive Order 13310 of July 28, 2003, Executive Order 13448 of October 18, 2007, and Executive Order 13464 of April 30, 2008.

WHITEHOUSE: The White House

Hall pointed out while the Federal Aviation Administration has agreed to require Boeing to modify the 737 rudder, the agency has not yet issued the order.

CNN: NTSB urges pilot training for 737 rudder problem

However, since the ban on investment in, and trade with, Iran dates from a 1995 executive order, Mr Clinton can, if he so decides, modify it without congressional approval.

ECONOMIST: The Iranian opportunity