After Big Government blogger James O'Keefe videotaped ACORN workers, including a tax specialist in its Baltimore office, advising him (posing as a man who wanted to run for Congress) and a young woman who accompanied him (posing as a prostitute), on how to run a prostitution ring and get child tax credits for underage girls, ACORN has suspended its tax-preparation assistance services and its partnership with the IRS in educating citizens tax credits and preparation. The IRS, likewise, announced it is severing ties with ACORN. ACORN says it will revisit the decision after its internal review, which is being headed by former Massachusetts Attorney General Scott Harshbarger.

Here's the letter sent this week to IRS Commissioner Douglas Shulman:

ACORN Tax Assistance Letter