About This Series: Pro Perfected | WALL STREET JOURNAL

Each episode of Pro Perfected uses a quintessential expert in the specific topic area to explain how they would perfect a common problem. 

Pro Perfected

7:06

A Train Architect Designs the Perfect Commuter Train

8:41

How to Fix One of the Most Famous Traffic Chokepoints in the U.S.

9:10

Why $7.6 Billion of Flood-Proofing Couldn’t Keep NYC’s Subways Dry

6:49

The Invisible Tactics Used to Control Crowds and Boost Profits

7:42

Venice Keeps Flooding. Here’s How an Engineer Would Solve It.

8:02

An Elevator Expert Explains How to Move People Up 118 Floors, Fast

6:19

A Transportation Engineer's Solution to America's Worst Bottleneck

6:06

Why Airplane Seats Are So Uncomfortable and How to Improve Them

4:51

An Ergonomics Expert Explains How to Sleep on a Plane

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3:25

NEW

Israel Releases Video Said to Show Final Moments of Hamas Leader Sinwar

2:16

Netanyahu: ‘Hamas Will No Longer Rule Gaza’ After Yahya Sinwar’s Death

7:06

A Train Architect Designs the Perfect Commuter Train

2:44

WSJ Poll Shows Tied Battle for Swing States, Trump Leads on Top Issues

2:56

Watch: Highlights From Kamala Harris’s Heated Interview With Fox News

1:40

NEW

Trump Hints at Making RFK Jr. a Cabinet Member if Elected

6:13

WSJ Opinion: Don't Blame Israel First

5:55

WSJ Opinion: So Who's Normal, Trump or Harris?