Arthur Brooks explains why ideas are the engine of the economy.
With Congress working on a tax reform bill, demand for tax theories is way up.
The president has relied on the conservative think tank for guidance, but its ideas can be traced to health care and welfare reform.
Conservative think tanks are ascendant as the Trump administration plans wave of legislation and policy changes.
A think tank did some calculations.
Think tanks are influential organizations that lure big names. What do those big names lend them in return?
