Describe challenges in late 20th century and 21st centuries

The late 20th century and early 21st century (typically described as 1980-now has faced many challenges. A few are as followed:
National Security
Affordable Health Care
Lack of personal Retirement Funding
Splintered Family Unit
Alternate forms of Energy rather than fossil fuels
Senior Citizen Care
Immigration Issues
Poor Education Ranking
Increased Obesity
Increased Drug usage
Diminishing Middle-class job availability