The members, who often say books have changed their lives, tend to be middle class and college educated.

Members of Congress tend to tackle big issues like energy every five or 10 years.

Members tend to be young professionals who don't need a car to get to work.

Members don't tend to respond very well from that basis.

We found that the larger the group, the less time its members tended to spend on task.

All 6 members of Jump5 are now tending to their personal objectives.

"The new members tend to be more responsive to our efforts," he said.

Republicans have a 55-to-44 majority, though one independent member of the body tends to vote with the Democrats.

Members tend to serve fixed terms and cannot be dismissed by other government officials.

This is especially pronounced among the middle class, whose members tend to have integrated more into British life.