 A Senate committee is holding a hearing this morning on the response to the collapse of the Key Bridge in Baltimore last March. The bridge collapsed after a huge container ship struck one of its pillars. Six people were killed and the port of Baltimore was temporarily closed. Vice President Harris took the Biden-Harris re-election campaign to Nevada yesterday. As NPR's Deepa Shibaram reports, the vice president highlighted a conservative policy roadmap being pushed by allies of former President Donald Trump,