yes they can
Any British citizen can enter the US on the Visa waiver program for 3 months as a tourist only--working is not allowed.
He is a British citizen residing in Monaco.
Yes, as long as the British citizen has not committed a crime or is otherwise ineligible for entry into the US.
William Henry Harrison was the last president not born a US citizen. He was born a British citizen when the 13 original colonies were British colonies.
If you are a US citizen living in the US, marrying a British citizen won't affect your Medicare benefits. That only becomes a problem if you move out of the country.
Yes they can live together
There is a distinct difference between a British Citizen and a British Subject. A British Citizen has free access to all parts of the UK. A British Subject may not. If you are a British Subject, you should check with the British Embassy in your country of residence. Incidentally, a British Citizen doesn't need a visa to visit the US but a British subject does.
No. The US Constitution requires the president to be a natural born citizen of the United States. It also requires a president to be at least 35 years old and 14 years a resident of this country. So not only could a British citizen not be president, but even a British citizen who gave up British citizenship and became a naturalized US citizen cannot be president.
Yes.
He is not a citizen of the US; however, he is a citizen of the UK and an honorary citizen of Italy.
None you have to be a American citizen to be President.
there have been 5 British astronauts Helen sharmen being the first who only had 1 mission. there was also Micheal foale who is British born but is a US citizen he had 9 missions. there was piers sellers who was also British born but an us citizen he had 3 missions. Nicholas Patrick was another British born but us citizen he had 2 missions and there is timothy peake who has had no missions yet