Here's the code:
		// List gangs
		$c = new Criteria();
		$c->addJoin(GangPeer::GANG_USER, UserPeer::ID, Criteria::LEFT_JOIN);
		$c->addJoin(GangPeer::GANG_COUNTRY, CountryPeer::ID);

CountryPeer::addSelectColumns($c);
		
		$gangs = GangPeer::doSelect($c);