A naturalized citizen can be a US Senator, although not the US President.
Attorney
He was elected as US Senator in 1952 and took in January of 1953.
9 years.
30 years of age
Yes, for campaigning
He was a US Senator from NY when he was killed. Before that he was the Attorney General for his brother.
Governor and US Senator James Paul Clarke and Attorney Uriah Rose.
The US Attorney files criminal charges in US district court. If you want to report a federal crime, contact the FBI.
Before he was President, Barack Obama was a practicing attorney, community organizer, taught constitutional law at University of Chicago, was an Illinois State Senator and a US Senator from Illinois.
Saint Paul Mayor Norm Coleman who went on to become a US Senator and Minnesota Attorney General Hubert H. Humphrey III (D).
He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004