Editor's Note: This content was originally published on Benzinga.com by The ETF Professor. Amid lingering concerns about slowing global economic growth one of the 2012's most prominent ETF themes has the potential to keep thriving in 2013. That theme being the soaring popularity of emerging markets local currency bond ETFs. ETFs such as the Market Vectors Emerging Markets Local Currency Bond ETF (NYSEARCA:EMLC) iShares Emerging Markets Local Currency Bond Fund (NYSEARCA:LEMB) and the actively managed WisdomTree Emerging Markets Local Debt Fund (NYSEARCA:ELD) were home to impressive gains in assets under management last year as investors sought out the stronger ...