Last Week Tonight with John Oliver: The IRS (HBO)The guy who prepared your tax return came through big time. Not only was he cheap, he got you ahuge refund, way more than you expected.How did he do it? You"d know if you could take a look at your return, the one he had you sign inadvance. That"s odd, you don"t have any kids to deduct. And this company on your W-2 that took outtoo much tax? You never worked there.The magic...