SACRAMENTO - Assembly Republicans proposed legislation Wednesday that they said would streamline public works projects, but Democrats quickly criticized the bills as unnecessary obstacles to a series of bond measures being debated in the Legislature. The infighting raised doubts about whether lawmakers can agree this year on a major spending package to build and strengthen highways, levees, dams, schools, prisons and government buildings. Passing such a program is the centerpiece of Gov. Arnold Schwarzenegger's re-election year policy goals. The GOP legislation includes a bill by Assemblyman Roger Niello, R-Fair Oaks, that would allow the Department of Transportation to use so-called...