Scholars assess whether the widely accepted notion that the current political polarization in the U.S. is due in part to 'safe' political districts is accurate.
In our introductory post to The Idea Lobby, Emily Badger looks at the numbers and sees the furthest right any Democratic senator reaches is still a ways from the furthest left of any GOP colleague.
The U.S. House of Representatives has been at 435 members since 1911, when the country was a third of its current population. Research suggests that districts may now be getting too big for adequate representation.