For the paltry sum of $29.4B
                                
                                
                                    (Newser) -
                                    As  Iran continues its saber-rattling , the US is responding by beefing up the military might of a regional ally. The Obama administration will announce the sale of $29.4 billion in F-15s to Saudi Arabia, sources tell the  AP , in a deal for 84 new jets and upgrades to 70...