The ornamental design for the tail light, as shown and described.
FIG. 1 is a top perspective view of the tail light of the present invention, it being understood that in the views, a mirror image thereof is possible;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a left side view thereof; and,
FIG. 9 is a perspective view thereof in an exemplary automobile.
The broken lines are provided for the purpose of illustrating environmental structure(s) and form no part of the claimed design.