Recently, a flood of studies has begun to address this difference (see " Race-Based Medicine Arrives").

FORBES: Magazine Article

That's going to be really important to address and so that people understand the difference between wealth and income and, you know, how do you build savings over time and how do you build assets over time?

NPR: Women Of Color Lag Behind In Wealth

We need to make sure every tax dollar we spend is going to address our nation's urgent needs and to make a difference in the lives of our people.

WHITEHOUSE: Tax Accountability in Government Contracts

That's three-quarters as many people as Salesforce has using its software, though there's one big difference: Anyone with a corporate e-mail address can sign up for Yammer, free, and connect with others in the same company.

FORBES: Magazine Article

The other key difference between the two campaigns will be even harder to address.

BBC: US general faces new Afghan challenge

That's a risk, say researchers, which they address by tracking people over time, to see how happy they were before marrying and what difference marriage made.

BBC: Why it's hard to measure happiness

High-profile galleries may offer a "very quick visible fix" for councils looking to address problems, according to Professor Malcolm Miles of the University of Plymouth, but they cannot make much difference on their own.

BBC: Has art gallery boom paid off?