Original sentence: (Pen and Teller are both fellows of the Cato Institute which ExxonMobil is one of the sponsors of., which has also ridiculed the threat of Global Warming.RAN has been subpoenaed by the House Ways and Means Committee to hand over every document and piece of footage relating to all protests the organization has done since 1993 in order to investigate whether they should be entitled to the tax-exempt status.RAN to date has handed over hundreds of documents and video footage and are waiting to see if they will be called to testify.RAN was ridiculed in Penn and Teller's show Bullshit.Since 2003, the organization has been under an investigation as to weather it should be allowed to keep its tax-emempt NGO status
Edited sentence: RAN was ridiculed in Penn and Teller's show and since 2003, the organization has been under an ongoing Congressional investigation into the tax implications of its illegal activities