. . . singing psalms, hymns, and spiritual songs.    The Most Holy Name of Mary (Optional Memorial)   It’s easy to see why the psalms have been the mainstay of Jewish and Christian prayer for centuries:   they are a window into the human heart as well as a window into God’s heart.   Whatever we are feeling at the moment, there is a psalm that expresses it.   And no matter what emotion has taken hold of us, when we pray along with the psalmist,...