Exclusive:In January and February of this year, the Internal Revenue Service began sending out letters to various local Tea Party groups across the country. Mailed from the same Cincinnati, Ohio IRS office, these letters have reached Tea Party groups in Virginia, Hawaii, Ohio and Texas (we are hearing of more daily). There are several common threads to these letters: all are requesting more information from these independent Tea Parties in regard to their nonprofit 501c4 applications (for these types of nonprofit, donations are not deductible). While some of the requests are reasonable, much of them are strikingly onerous and, dare...