Truck writers are a nutty bunch. I got an e-mail today from Rufus Sideswipe, the gearjammin’ imaginary pal of Land Line columnist Bill Hudgins. This e-mail was a copy of a note sent to another Land Line columnist, Dave Sweetman.Rufus, it seems, read Sweetman’s column in the October Land Line and liked it a lot. If you haven’t read it, it’s called “Blue Highways,” and I agree it’s one of Sweetman’