NEW : He will stay in place until a successor is chosen , Chancellor Angela Merkel says . The resignation could affect Merkel 's government . Karl-Theodor Freiherr zu Guttenberg resigned Tuesday , in the wake of claims that he had plagiarized parts of his doctoral dissertation . zu Guttenberg is quitting all political posts , he says . Comment:
NEW : He will stay in place until a successor is chosen , Chancellor Angela Merkel says . The resignation could affect Merkel 's government . Karl-Theodor Freiherr zu Guttenberg is quitting all political posts , he says . Comment: