By Brendan Pierson (Reuters) – Texas Attorney General Ken Paxton on Thursday threatened to prosecute any doctors involved in providing an emergency abortion to a woman, hours after she won a court order allowing her to obtain one for medical necessity. Paxton said in a letter that the order by District Court Judge Maya Guerra Gamble in Austin did not shield doctors from prosecution under all of Texas’s abortion laws, and that the woman, Kate Cox, had not shown she qualified for the medical exception to the state’s abortion ban. Paxton said in a statement accompanying the letter that Guerra Gam…