Republican challenger Bob Healey is gaining ground in New Jersey’s 3rd district, election forecasters say, and that’s alarming: He has zero public experience, and is cutting to the front of the line based on family money and the power of TV commercials. Healey is wildly unqualified. Hespent eight years as the lead singer for a punk-rock band and is now a yacht dealer and yoga teacher.He’s never held any pubic office, and demonstrates no fluency on the key issues of the day. He is a contender only because his mother put nearly $2.7 million into a superPAC to prop up his campaign. Given all that…