and early summer a heat wave blankets much of the nation as temperatures rise to records from near texas all the way to new england. we will tell you how long it is expected tos la the early this tuesday morning, may 31st, 2011. good morning. welcome to the early show here on a tuesday morning. everybody back from the long weekend. i m chris wragge. i m erica hill. good to be back with you and you this morning. also ahead this morning, the justice department could, in fact, file charges against john edwards this week, perhaps even tomorrow, accusing him of breaking campaign finance laos. cbs news learned last week edwards met with a campaign donor suspected of funding a coverup of his affair with rielle hunter. we ll take a closer look this morning. president obama announced a new lineup of the top military brass. do the changes signal a shift in policy? chip reid has the latest for us this morning. good morning. good morning, chris. this is all part of a familiar