Walz formally accepted the vice presidential nomination. WCCO's Steve Simpson and CBS News with the latest from Chicago. Plus, reporter Brandon Ison shares what is happening outside the convention as more protests take place Wednesday night.

<p>Walz formally accepted the vice presidential nomination. WCCO's Steve Simpson and CBS News with the latest from Chicago. Plus, reporter Brandon Ison shares what is happening outside the convention as more protests take place Wednesday night.</p>

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