The $1,000 ChallengeBy: Brian J. O'Connor Are You Brave Enough for the $1,000 Challenge? Middle class incomes are stretched more than ever. Feeling the strain himself, personal finance columnist Brian OConnor decided to put his own familys spending to the test. He began a ten week experiment to see if his family could cut its monthly living expenses by $1,000without sacrificing anything truly important. From groceries and transportation to entertainment and insurance,