Women cutting their hair

Q: Are women allowed to cut their hair? I heard some scholars say that this is not permitted because it is an imitation of men or the Kuffar. However, doesn't what is and isn't imitating men change with culture/times? Nowadays nearly all Muslim women cut their hair, and women cutting hair is considered normal in my culture (Turkish) and not all an imitation of men. Not to mention long/heavy hair is very difficult to maintain, and hard to cover fully when wearing a Hijab. So as long as the haircut does not imitate the Kuffar and is still long (not imitating the men), then is it permissible? If not, what is the proof of this?

Assisting one's brother with zakaat money

Q: My younger brother is jobless and has a wife and baby. I gave him money from my Zakaat so he can go to the Middle East to find work. It's been few months and he is still looking for a job and meeting his needs there by using zakaat money which I gave him. His wife is in her home country and needs some kind of financial support to meet her and the baby's needs. His wife has jewellery which is worth more than US$5,000. My question is that since my brother has no income to support her and his wife is a house wife, can I give Zakaat money to his wife so she can fulfill her needs along with baby's?