The Social Security problem and potential solutions

Prepare a brief summary of the Social Security problem and potential solutions based on the questions below:
-How is social security currently funded?
-What happens to social security funds once they are paid into the
system?
-What changes have been made to the social security system from
inception to date? Are those changes adequate?
-When would you expect the Social Security system to begin to
experience difficulties, if any? Why?
-What are the pros and cons of replacing social security with
private funds? Do you support privatization or not support it? Provide arguments to support your side.
Here are some potential websites for you to review and utilize as sources. Please feel free to conduct a search yourself for additional reliable sources. Be sure to cite your sources utilized.
https://www.ssa.gov/
https://www.ssa.gov/OACT/TR/2016/
https://socialsecurity.procon.org/
https://www.cato.org/social-security
http://www.sharedprosperity.org/
https://www.cato.org/commentary/private-social-security-accounts-still-good-idea