The White House has announced that President Obama has canceled a scheduled visit to Kansas in order to attend an interfaith service in Boston on Thursday. The service will take place at Boston’s Cathedral of the Holy Cross, where the president will meet survivors and families of the victims of the recent Boston Marathon bombings. During his presidency, he has visited four different cities (the most recent was Newtown, Conn.) following tragedies for interfaith vigils. Last night, local residents came together for several candlelight services to remember the victims of the attacks …