8 things you need to know this morning, including a 'call for peace'

Happy Monday! Here are eight things you need to know this spring morning in late April: • A day after violence erupted downtown during a protest over the death of Freddie Gray, Mayor Stephanie Rawlings-Blake and clergy leaders on Sunday issued "a call for peace." [ Baltimore Sun] • U.S. Rep. Elijah Cummings said the Justice Department's investigation into the death of Gray "needs to take" the city's police department apart and "figure out what is wrong and what is right." [ WBAL Radio and CBS] •…