President Roles

http://www2.scholastic.com/browse/article.jsp?id=4683

http://en.wikipedia.org/wiki/President_of_the_United_States

The president is the head of state and head of governement and is commander and chief of the military. He also leads the federal government.\

http://bensguide.gpo.gov/3-5/government/national/president.html

The President is in charge of passing bills the congress makes. If he doesn't like them he can regect or veto them. He can't write his own bills though. He can't declare war unless congress approves.