[ Editor's Note: In this story, DSCA should refer to "Defense Support for Civil Authorities," not the Defense Security Cooperation Agency. The story has been corrected to reflect this. ] The Pentagon is realigning its homeland defense and America's security affairs office to include three deputy assistant secretary of defense posts, one fewer than had been planned in February, according to internal documents. The new moves, briefed to defense officials in late March by Pentagon policy chief Michèle Flournoy, are...