WASHINGTON (Reuters) - Reform of Wall Street rules and consumer protects imposed after the 2008 financial crisis is likely this year, and much of the law could be undone through a number of ways, the Republican chairman of a key House of Representatives committee said.  “Dealing with Dodd Frank is a this-year priority. Clearly it comes behind Obamacare, clearly it comes behind tax reform,” House Financial Services Committee Chairman Jeb Hensarling said in a CNBC interview on Tuesday.  