PORT-AU-PRINCE (Reuters) - Haitian President Rene Preval plans to tell U.S. President Barack Obama on Wednesday that food aid to the earthquake-devastated Caribbean nation should be stopped because of the risk of damaging its economy. div class="feedflare" a href="http://feeds.reuters.com/~ff/reuters/worldNews?a=-CzJNUbSBY0:XJUofv_m8i4:yIl2AUoC8zA" img src="http://feeds.feedburner.com/~ff/reuters/worldNews?d=yIl2AUoC8zA" border="0" /img /a a href="http://feeds.reuters.com/~ff/reuters/worldNews?a=-CzJNUbSBY0:XJUofv_m8i4:F7zBnMyn0Lo" img src="http://feeds.feedburner.com/~ff/reuters/worldNews?i=-CzJNUbSBY0:XJUofv_m8i4:F7zBnMyn0Lo" border="0" /img /a a href="http://feeds.reuters.com/~ff/reuters/worldNews?a=-CzJNUbSBY0:XJUofv_m8i4:V_sGLiPBpWU" img src="http://feeds.feedburner.com/~ff/reuters/worldNews?i=-CzJNUbSBY0:XJUofv_m8i4:V_sGLiPBpWU" border="0" /img /a /div img src="http://feeds.feedburner.com/~r/reuters/worldNews/~4/-CzJNUbSBY0" height="1" width="1"/