There is no law that govern the sexual preference of a president.
There is no legal reason why a gay can not be president.
Washington is named after George Washington.
There has never been an openly gay vice president.
President
No US State has a ban against gay people.
No. It is not illegal to be gay in any US state.
Being gay is not illegal in any US state.
There has never been an openly (or otherwise known) gay president. Buchanan is suspected, but he didn't have a partner that we know of.
They are called electors. As a group they form the electoral college.
President Obama is originally from the state of Hawaii.
The Secretary of State is appointed by the President of the US, subject to approval by the Senate
Because he is gay