The 1st Amendment
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
In Basic English: The 1st Amendment protects the people's right to practice any religion they want to, or no religion at all, to speak freely, to assemble (meet) with others, to communicate with the government and of the press (newspapers, TV, radio, Internet) to publish. (http://mrkash.com/activities/billofrightsexplained.html)