DOOR TO DOOR Ricky Hall, an Obama volunteer, in Charlotte, N.C., last week.Credit...Chris Keane/Reuters Late last year Matthew Barzun, an official with the Obama campaign, called Craig Fox, a psychologist in Los Angeles, and invited him to a political planning meeting in Chicago, according to two people who attended the session. “He said, ‘Bring the whole group; let’s hear what you have to say,’ ”
![Academic ‘Dream Team’ Helped Obama’s Effort (Published 2012)](https://cdn-ak-scissors.b.st-hatena.com/image/square/3ce4b01d9a75705de935dbcc84dd749a4fc15f29/height=288;version=1;width=512/https%3A%2F%2Fstatic01.nyt.com%2Fimages%2F2012%2F11%2F13%2Fscience%2F13PSYC_SPAN%2F13PSYC-articleLarge.jpg%3Fyear%3D2012%26h%3D330%26w%3D600%26s%3Da404227991a47aa5effff7ca44296ca2a99237d8df78717a48cec7394e0d1ad9%26k%3DZQJBKqZ0VN)