ABC News' Yunji de Nies reports: Speaking in Eisenhower Executive Office building this morning, President Obama touted the $17 billion in budget cuts as a step toward building, "a government of the 21st century –- a government that is more efficient and more effective. A government that does what we need it to do –- and nothing we don’t." Flanked by the Office of Management and Budget's (OMB) Peter Orszag and Rob Nabors, the president said Americans are tightening their belts and making tough decisions and that Washington must do the same. "We can no longer afford to spend as...