I'm training to be an engineer <a href=" http://www.laughmom.com/gregor-mendel-essay/#grandmother ">how revolutionary was the american revolution essay</a> WASHINGTON, Aug 16 (Reuters) - Some U.S. lawmakers arecalling for the Obama administration to shut off aid to Egypt inthe aftermath of the army's lethal crackdown on protesters. Butuntangling the aid relationship with Cairo would not be simpleand could be costly for the United States as well as Egypt.