Tired of scratching for a decent yield in the U.S.? Investors without borders are looking overseas for better returns. Today we'll look at a high-yielding dividend bank stock from Australia, the land of high yields. Westpac Banking (WBK) is a thinly traded ADR listed on the NYSE. But if the 20,000 shares-per-day average volume bothers you, go directly to the primary listing on the Australian Securities Exchange. There, 6.7 million shares move on