Trump’s directive on recusal adds to obstruction questions

President Donald Trump sits with Attorney General Jeff Sessions during the FBI National Academy graduation ceremony in Quantico, Virginia on Dec. 15, 2017. (Evan Vucci/AP File)

WASHINGTON — President Donald Trump’s effort to keep Attorney General Jeff Sessions, a vocal and loyal supporter of his election bid, in charge of an investigation into his campaign offers special counsel Robert Mueller yet another avenue to explore as his prosecutors work to untangle potential evidence of obstruction.