How old is christopher walken as of december 2013?

Christopher Walken was born in March in 1943. That means that he had already had his birthday for that year in 2013 in December. To calculate his years you have to calculate it by subtracting, 2013-1943 and you'll see that in 2013 in December he was 70 years old. Today, he is 74

If he breaks the law then he had to resign from his post and so he'll lose his/her powers.