40 years ago today (2/23/79), Dire Straits begin what would become their first North American tour at Boston’s Paradise Theater. Supporting their second album Communiqué, the band lineup included Mark Knopfler (guitar, vocals), David Knopfler (guitar), John Illsley (bass), and Pick Withers (drums). Check out the band playing Boston second time around that year at the Orpheum on 9/8/79…