The full broadcast of Boston Public Radio from Thursday, May 23rd, 2018

• Chuck Todd walked through the latest national headlines, including President Donald Trump's infrastructure meeting with congressional Democrats, and his Rose Garden news conference about impeachment, where he affixed a sign on his podium that declared "No collusion, no obstruction." Todd is moderator of Meet the Press, host of Meet the Press Daily on MSNBC, and the Political Director for NBC news.

• Is it time for House Speaker Nancy Pelosi to get behind other Democrats, and one Republican, and start the process of impeaching President Donald Trump? We opened up the lines to hear our listeners' takes.

• Andrea Cabral joined for her weekly segment of Law and Order. Cabral, former Suffolk County Sheriff, former secretary of Public safety, and now CEO of Ascend, discussed the implications of facial recognition software for law enforcement and consumer privacy.

• Alex Beam broke down the latest public shaming craze: "milkshaking," where people throw a milkshake on politicians. Beam is a Boston Globe columnist, whose latest book is "The Feud: Vladimir Nabakov, Edmund Wilson and the End of a Beautiful Friendship."

• Heather Goldstone, WGBH’s science correspondent, talked about the plastics predicament our world is facing, as the deepest undersea exploration uncovered plastic in the Mariana Trench. She’s an expert in ocean science and the Host of Living Lab Radio, which airs on Sundays at 12 p.m. on 89-7 and Mondays at 9 a.m. and 7 p.m. on WCAI 90.1.

• Gov. Charlie Baker joined us for the monthly Ask the Governor segment, when he discussed transportation, national politics, and more.