however it is now gaining traction, as the administration gross frustrated with afghan president hamad karzai yet to sign security agreement allowing troops to stay in the country. the u.s. plans to pull out most forces at the end of this year. >> a landmark trillion dollar spending bill cleared the senate. budget funds for the end of september scales back last queer's automatic spending cuts. it affects almost every government agency, including nasa, army corps of engineers and affordable care act. the bill now moves to the president's desk. >> republican tom co burn of oklahoma says he's retiring from the senate. the 65-year-old will leave at the end of the current session nearly two years before his term is set to end. co burn was recently diagnosed with prostate cancer but says the decision to step down was not based on health concerns. he served three terms in the house before elected to the senate in 2004. >> new developments in the scandal involving new jersey governor chris christie. the assembly voted to authorize an investigation into an alleged abuse of power and has issued 20 subp