Washington — Long regarded as President George W Bush's greatest and most untouchable political asset, Laura Bush has finally been dragged into the chaos embroiling her husband's administration. The First Lady played a key role in his controversial decision to nominate Harriet Miers, a close family friend who she first met at university in Texas, as a Supreme Court judge, The Sunday Telegraph has learnt. That decision has sparked the most serious crisis of Mr Bush's almost five years in office. Mrs Bush personally backed Ms Miers for the vacancy on the country's highest court after lobbying publicly for a woman to replace the retiring Sandra...