One then recites the blessing over the wine and drinks the wine while leaning along with all those who are participating in the Seder with him. Wash the hands a second time since the reading of the Haggadah and Hallel are an interruption between the first washing and the second washing, and our mind is no longer on the first washing. Since our hands have been busy participating in this rite, it is possible that we have touched something which caused the hands to become impure, one has to wash the hands again since one is about to eat the unleavened bread, and it is impossible to eat bread with filthy hands. However, if one was extra careful to guard ones hands from the time of the first washing and one did not touch anything impure, that he does not have to go back and wash them again. If he decides to do so anyway, then he should do so without a blessing..