Can we citizen arrest him, since no one will do anything?
Regardless, complying with a citizen's claim of arrest would be laughed at by someone like Obama who is used to committing treason against his own country.
Besides, you'd never get anywhere close to him. You'd be the one arrested by the Secret Service before you could get a word out.
The French could loan us some guillotines, and show us how citizen's arrests are carried out for TRAITORS.
Unless things have changed in the last year or two (before Obungo left office) Elected or appointed criminals are not exempt from the RICO statutes and any citizen can file charges for violations.
Or group of citizens, I assume.
I am not a lawyer, but I can dream with the best of them...