Obama challenges Russia to agree to deeper nuclear weapon cu Jun 23, 2013 0:08:00 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Jun 23, 2013 0:08:00 GMT -5 Obama challenges Russia to agree to deeper nuclear weapon cutsBERLIN (Reuters) - U.S. President Barack Obama used a speech in Berlin on Wednesday to call on Russia to revive the push for a world without nuclear weapons, offering to cut deployed nuclear arsenals by a third, but Moscow immediately poured scorn on his proposal.reuters.us.feedsportal.com/c/35217/f/654214/s/2d8455f3/l/0L0Sreuters0N0Carticle0C20A130C0A60C190Cus0Eobama0Enuclear0EidUSBRE95I1DN20A130A6190DfeedType0FRSS0GfeedName0FpoliticsNews/story01.htm