He campaigned in the state last week and again today.
He will be campaigning hard in the next three weeks to get voters behind the issues.
Still, he has sometimes campaigned - but in his own way.
She campaigned for her husband in the 1920 general election.
He had been campaigning in Iowa for the last four days.
She has also campaigned for women's rights in the Asian community.
He campaigned on a platform of change in state government.
He campaigned in 16 states and spent an estimated $12.3 million of his own money.
He also campaigned against the use of child soldiers and the international trade in light weapons.
His political career began when as a 14-year old, he campaigned in the 1967 elections.