No- that is considered bigamy.
yea...its called cheating
Yes
That is called bigamy!
From what I understand, you can't marry anyone who is already married (unless they divorce their current partner or become a widow)
yes he or she can marry in the U.S
No, you will have to get divorced, you will almost certainly get sent to prison for bigamy.
The requirements are the same as for two citizens; they will depend on the state and county where the couple wants to marry.
no
no
They can get married in a court and the court can allow the Polish citizen free citizen ship
You don't have to be a UK citizen to marry a UK citizen. However, you won't automatically be given the right to live in the UK just because you have married a UK citizen.