Given that 99.9% of Muslims in America have not killed a single person, perhaps that is a good indication that your bolded statement is a load of bull.
If they were to try and take the country by force right now they would be squashed. Jihad in Europe is in full swing and London now has a muslim Mayor! Thus Political Islam is what threatens us. Here are all the steps of jihad from Islamic law (sharia).
Islamic Jurisprudence:
Provisions Of The Afterlife: Which Lie Within Prophetic Guidance (translation by Ismail Abdus Salaam), pp.262-263,
The Levels Of Jihaad
"There are four levels of jihaad: jihaad waged against the soul, jihaad waged against Shaytaan, jihaad waged against disbelievers, and jihaad waged against hypocrites.
1. One wages jihaad against his soul so that he may learn the religion of truth which is the sole source of happiness and success.
2. One wages jihaad against his soul so that he may act once he has learned. Otherwise, knowledge would be futile if not harmful.
3. One wages jihaad against the his soul so that he may teach. Otherwise, he would be like those who withhold the guidance of Allaah. Consequently, his knowledge would not save him from the punishment of Allaah,
4. One wages jihaad against his soul so that he may endure the difficulty of teaching, and he does so entirely for Allaah.
Once one has completed these four levels, he joins the ranks of those who know the truth and act accordingly.
Fighting Shaytaan
This jihaad has two levels:
1. One wages jihaad against Shaytaan to repel the doubt which he casts.
2. One wages jihaad against Shaytaan to repel his temptation.
Consequently, certainty follows the first jihaad while patience follows the second jihaad, and the most high has said: {We made some of them leaders due to their patience and certainty} [As Sajda/24].
Allaah has informed us that religious leadership is attained with patience and certainty, because patience repels lowly desires while certainty repels doubt.
Fighting The Disbelievers And Hypocrites
This jihaad has four levels:
1. the heart
2. the tongue
3. wealth
4. the body
The hand is usually used when waging jihaad against the disbelievers while the tongue is usually used when waging jihaad against the hypocrites.
Fighting Tyrants, Innovators, And Evildoers
This jihaad has three levels:
1. the hand
2. the tongue
3. the heart
The first level is the highest level.
Thirteen levels of jihaad have preceded, and the prophet (may Allaah send salutations upon him) has said: (if one dies without participating in jihaad or wishing to do so, he dies in a state of hypocrisy).
Jihaad Is Incomplete Without Migration
Jihaad is incomplete without migration and there is no jihaad or migration without faith. As for those who seek the mercy of Allaah, they neglect none of these acts. Allaah the most high has said: {those who believe, migrate, and fight seek mercy for Allaah, and he is forgiving and merciful} [Al Baqara/218]."
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Muslims do not follow you or other liberals. They follow Muhammad. Notice how it says jihad is incomplete without migration. Hint hint!