And he has initiated substantive changes legislation to wipe clean the records of people convicted for homosexual offences that were subsequently legalised, and to allow gay marriage.
But a smart thief can simply turn off the stolen device or wipe it clean of apps to prevent being tracked.
Although, I honestly believe that this would probably be far more thorough than someone trying to wipe and clean every surface.
Once you have done so, it's time to wipe that slate clean once and for all.
But there is one immutable rule: you can never wipe your slate clean.
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John Thain, Merrill's chief executive officer, appears to be doing everything he can to wipe the slate clean for the company.
Yet irrespective of how the specific write-down numbers are interpreted, H-P has seized on the Autonomy debacle as an opportunity to wipe the slate clean.
Even those that do not take home the throne can rest easy knowing there is no better place than an outhouse to wipe the slate clean for next year.
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Unlike an Etch-a-Sketch you cannot wipe the slate clean here.
"It's an opportunity for us to wipe the slate clean, to begin anew, with the a recognition that we have many, many challenges ahead, " said Senate Democratic leader, Tom Daschle.
The Rolling Jubilee project is seeking donations to help it buy-up distressed debts, including student loans and outstanding medical bills, and then wipe the slate clean by writing them off.
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Now both Britain and America want the multilateral lenders the World Bank, the International Monetary Fund and regional development banks, such as the African Development Bank to wipe their slates clean too.
It's based on flawed assumptions that - the first of which is that we can just kind of wipe the slate clean after three and a half years of sacrifice and death and the president gets a do-over.
You then say, if you complete this training and you reach the targets and stay out of trouble for two years then, unless the crime was very serious, we just wipe the slate clean and you start your adult life with no convictions.
"I think we should wipe the board clean and create a national theatre with bases across the country with people feeding into it in both languages, " said Ms Morgan, who starred in the classic '70s rugby drama Grand Slam and the Magnificent Evans with Ronnie Barker.
So if, as so often happens, a creditor agrees to wipe your slate clean if you come up with most but not all of the money owed, you have to let the government know how much your debt was reduced by, and pay tax on it.
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Mr Putin cannot be expected to wipe the political slate clean at once.
The fact that biobutanol is more energy efficient than ethanol does not wipe out ethanol's appeal, says Clean Edge's Pernick.
"It could be from dispensing with a hand that wasn't clean or using wet rags to wipe down the machine, " Godard said.
Many seller of flooded cars will steam clean the engine compartment but usually forget to wipe down afterwards.
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Use a disinfectant wipe to swab the handlebars of equipment, and drape a clean towel over shared yoga mats and sauna and locker room benches.
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