Can the Republicans Take Barbara Boxer's Senate Seat?

That question would have been a resounding NO a few months back. Now?
Tom Campbell is within 4 points. The Democrat Death March continues...

QUESTION: If the election for U.S. Senate were held today, for whom would you vote for if the choices were between Barbara Boxer, the Democrat, and Tom Campbell, the Republican?

	BARBARA BOXER	TOM CAMPBELL	UNDECIDED
ALL	47	43	10
MEN	42	49	9
WOMEN	52	37	11
DEMOCRATS	80	11	9
REPUBLICANS	7	85	8
INDEPENDENTS	43	45	12
WHITE	41	51	8
HISPANIC	60	29	11
BLACK	75	7	18
ASIAN	47	40	13
18-29	51	38	11
30-44	49	40	11
45-59	48	46	6
60+	38	48	14
NORTHERN	43	45	12
CENTRAL	39	55	6
LA COUNTY	58	28	14
BAY	63	24	13
SOUTHERN	35	57	8