In the Close Up: The Senate intelligence committee has subpoenaed Donald Trump Jr.,  calling him in to answer questions about his 2017 testimony to the panel as part of its probe into Russian election interference.   Some drivers who work for Uber and Lyft went on strike and held protests in cities around the world on Wednesday.  As Uber prepares for its stock IPO on Friday, the drivers say they are being exploited so that investors can profit. Kevin Carr reviews the new film “Pikachu Detective” And in the second half Michael talks about the heroes that emerged during the recent school shootings.