CommentaryReflecting the national media’s scant coverage of the Spygate scandal, only 3 in 10 Americans say they are aware that a special prosecutor is investigating the origins of the Trump-Russia “collusion” probe, according to a nationwide survey conducted this month by TechnoMetrica Institute of Policy and Politics (TIPP).But of those who say they know of Special Counsel John Durham’s investigation, most say they want him to get to the bottom of whether the FBI opened investigations into several Trump campaign advisers during the 2016 election without proper “predication.”Nearly two-thirds (62 percent) of respondents say they want the Justice Department to renew Durham’s budget for another fiscal year, the TIPP poll found, and a whopping 81 percent want the department to release his final report to the public.Attorney General Merrick Garland, a Biden appointee, holds the purse strings to Durham’s investigation. He also has authority over whether his report will be made public. “Americans who know of the Durham investigation have a keen interest …