Madison Square Presbyterian Church carry Rainbow flag at MLK march.

Members of the Madison Square Presbyterian Church carry the Rainbow flag/Freedom flag during the Martin Luther King, Jr. march in 2013. Photo by Lindsay Ratcliffe.

Members of the Madison Square Presbyterian Church carry the Rainbow flag/Freedom flag during the Martin Luther King, Jr. march in 2013. Photo by Lindsay Ratcliffe.

Members of the Madison Square Presbyterian Church carry the Rainbow flag/Freedom flag during the Martin Luther King, Jr. march in 2013. Photo by Lindsay Ratcliffe.