by Charles Costa       This morning, I woke up humming (not sure what brought it to mind) “This land is your land, and this land is my land, from California to the New York island, from the Redwood Forest to the Gulf Stream waters, this land was made for you and me.”          “This Land Is Your Land” is a song by American folk singer Woody Guthrie. One of the United States’ most famous folk songs, its lyrics were written in 1940 in critical response to Irving Berlin’s “God Bless ...