Aldon Smith puts Jim Harbaugh’s “above reproach” stance to the test

Last year, 49ers coach Jim Harbaugh took notice of the rival Seahawks having players suspended for violating the NFL’s performance-enhancing drug policy, and Harbaugh used the Seahawks’ troubles as an opportunity to explain his own philosophy about holding players accountable. “We want to be above reproach in everything and do everything by the rules,” Harbaugh…