Sat Mar 26, 6:19 pm ET

DES MOINES, Iowa – Former United Nations Ambassador John Bolton says President Barack Obama isn't qualified to lead the country.

Bolton was among the featured speakers Saturday at a conference of conservative Republicans in Iowa. Bolton was nominated for the ambassadorship in 2005 by President George W. Bush.

Bolton told the crowd that Obama doesn't care enough about national security issues and doesn't view the world as a threatening place. Bolton also says the U.S. could have made a big difference in Libya, but Obama couldn't make up his mind on which steps to take.

Several potential GOP presidential candidates also spoke during the event in Des Moines. Iowa Congressman Steve King says he organized the event to allow conservatives to shape the debate as Republicans begin seeking an opponent for Obama.

http://news.yahoo.com/s/ap/us_republicans_iowa_bolton