And "they may get worse, because people will feel as if they’ve got to compete with some other group to get scraps from a shrinking pot. If the economy is growing, everybody feels invested."
How to understand that statement? Possible interpretations:
1. He wants all focus on the the economy, so any other topics are portrayed as subtopics to the economy: Worries about race should not distract us, because the best way to improve racial matters is to improve the economy.
2. Obama wants more economic policies that redistribute wealth: The threat of worsening "racial tensions" is meant to drive people accept those policies.
3. Obama realizes there isn't much he can do about racial problems, at least not without annoying some of his base: Stop expecting him to do something about race.