Iran clock is ticking

Referent	Line #	What does IT refer to?	Function & Grammatical Category
Me	1	It’s refer to the author	Personal Object Pronoun. CATA
That	1	To the idea before	Conjuntion.
Some	3	Opinions of the sources	Indefinite adjetive.
That	7	To the idea before??	Conjuntion
Me	10	It’s refer to the author	Personal Object Pronoun. CATA
He	12	U.S. military	Personal Subject Pronoun. ANA.
That	16		Conjunction
Both	20	The two sources	Indefinitive adjetive. CATA
I	21	The author	Personal Object Pronoun. ANA
That	22	To the idea before	Conjuntion
It	24	Personal Subject Pronoun	Conjuntion
He	28	President Bush	Personal Subject Pronoun. ANA
His	28	President Bush’ commitment	Possesive adjetive. ANA
That	30
That	32		Conjuntion
That	33
Its	34	Iran nuclear program	Possesive adjetive.CATA
That	36
Its	37	Iran nuclear program	Possesive adjetive.CATA
Its	38	Iran regional ambitions	Possesive adjetive. CATA