The ornamental design for a light, as shown and described.
FIG. 1 is a perspective view of a light showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged partial view taken from the encircled area shown in FIG. 1.
The dot-dash broken lines represent the boundary of the enlarged portion and form no part of the claimed design. The light is shown with symbolic breaks in its length and the appearance of any portion of the light between the break lines form no part of the claimed design.