Because it is a territory and turning into a state has far more negatives than positives (mostly taxes.) Residents of Guam are considered American citizens but most feel little to no cultural connection to the rest of the USA. This same thing could be applied to Puerto Rico and any other territories of the US. read more
Benefits would include representation in the US Government, voting for President, certain laws would change because some laws in the US Territories are different than in the actual States. Please note that Washington DC is not a territory, and should not be allowed to become a state. read more
No, Guam is an organized unincorporated territory of the US. This means the US Congress has no intention of allowing it to become a state. read more
It should not, in its current state Guam is already bad enough. Then we would be adding state taxes to make it worse. Plus the tourist attraction would be way higher. read more