There is currently an attempt to pass a bill limiting the fees banks can take from merchants when someone buys using a debit card. The supporters of this bill t

There is currently an attempt to pass a bill limiting the fees banks can take from merchants when someone buys using a debit card. The supporters of this bill tend to myopically ignore points like this (among other things). Edit: Recent story on this: http://online.wsj.com/article/SB10001424052748704256604575295072627703504.html http://online.wsj.com/article/SB1000142405274870425660457529...