Last week's ThinkTank was a hit, and tomorrow's ThinkTank—featuring a guest op/ed from Steve Mullin, president of the Washington Roundtable—is already in the queue. (The Washington Roundtable, made up of CEOs from Washington's top private companies, is the leading business advocacy group in the state.)

In the meantime, because we're digging ThinkTank too, we put together a special Monday edition. This afternoon's dueling editorials were written by the cities of Seattle and Portland, respectively.

The question on the table: Who's better?