TeenPulse, a monthly publication targeted at 13- to- 17-year-olds nationwide, shocked industry insiders by espousing a courageous anti-peer-pressure position in its June issue. 'Friends who try to pressure you into something you don't want to do are no friends at all,' contributing editor Cassandra Walters urged a reader in her monthly advice column. 'Say 'so long' and get yourself some new buds who like you just the way you are.' Also featured in TeenPulse's June issue is a 'Cool Summertime Looks You Can't Do Without' pull-out shopping guide. 