President Barack Obama gave his condolences at the memorial for the Navy Yard shooting victims in Washington, D.C. Joining Mara Schiavocampo with their reactions are Daniel Hernandez, former congressional intern to Gabby Giffords; Colin Goddard from Mayors Against Illegal Guns; MSNBC host of Disrupt, Karen Finney; and MSNBC contributor Goldie Taylor.Sept. 23, 2013
