Citing 'challenges,' AIPAC halts endorsements and direct contributions to candidatesPoliticsOct 21 at 4:37 PM – Oct 21 at 8:22 PM3 outletsUnited StatesCNBCAIPAC to stop endorsing candidates, making direct PAC contributions seen Oct 21 at 6:15 PMNPRCiting 'challenges,' AIPAC halts endorsements and direct contributions to candidates Oct 21 at 8:22 PMWashington ExaminerAIPAC ends endorsements and PAC contributions: Report Oct 21 at 4:37 PM