October 15th is the deadline for Americans to come clean about the money they have hidden offshore, in places like Swiss bank accounts. [...] They can confess and pay the penalties, or gamble that they will not get caught. With the deadline only days away, tax lawyers say they are being inundated by anxious clients. [...] At least 4,000 clients of UBS and other private banks have come forward in recent months, a government official who had been briefed on the matter said.
