Tens of thousands of students walked out of their schools today on campuses across the country to honor the people killed at Marjory Stoneman Douglas High School in Florida and call for an end to gun violence and stronger gun control laws.--but will any of this bring any real change? Today we got In Depth on the student walkouts.

And Tesla, say some reviewers, has a quality problem--early road tests of the new Model 3 has revealed glaring build quality issues in an allegedly cutting-edge car that sells for around 40-thousand-dollars.

Later on KNX In Depth, we remember the the very popular physicist Steven Hawking by talking with a physicist who worked with him. The United Kingdom gets tough on Russia after the nerve agent poisoning incident, but where's the Trump administration in all of this? And Pennsylvania's special election has all kinds of implications for several vulnerable Republican members of Congress here in California.

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