A.M. Edition for April 29. Students upped the stakes in their standoff with the Columbia overnight by barricading themselves in an academic building after the school began suspending those who failed to disband a pro-Palestinian encampment. Plus, Microsoft makes a big AI bet on one of the world’s fastest-growing regions. And housing reporter Will Parker describes how lawmakers are attempting to crack down on investor purchases of single-family homes. Luke Vargas hosts.

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