G.O.P. Race Starts in Lavish Haunts of Rich Donors. (The New York Times, 2/28/2015)
Here's the paragraph that precedes the above Walker quote.
In an interview, Mr. Walker said he was unconcerned about the appearance of spending so much time and energy courting donors, noting that he expected to do plenty of retail campaigning in the months ahead.I wish the reporters had been a little more helpful here. In an interview [with name, affililation, date]....
I'd like to read the quote in the context of the full interview.
When I google the quote, this New York Times article pops up as the only source.