In this week's edition of The Motley Fool's energy-focused show, Digging for Value, analysts Joel South and Taylor Muckerman discuss the resurgence of debt ceiling debates in Washington, and how it could cause rising interest rates and increased volatility in the securities market. Joel singles out several dividend stocks from the energy sector as income plays to hedge against the coming volatility, and he discusses the pros and cons of dividend stocks in a potentially rising-interest-rate environment.