Why Carlos Slim Wont Join the Giving Pledge

The transcript discusses Walmart's healthcare cuts and Carlos Slim's philanthropic efforts without the Giving Pledge. It contrasts Slim's approach with Buffett and Gates' push for the pledge. Slim's business strategies and investments are highlighted, along with a comparison of his and Gates' wealth. The trend of diversification among billionaires is also explored.

Discuss the significance of the 'giving pledge' as mentioned in the text.

What trends are observed among billionaires regarding the diversification of their fortunes?