Joseph P. Kennedy II said today he will not make a bid for the senate seat held by his late uncle Edward M. Kennedy, in a bombshell announcement expected to draw candidates-in-waiting out from the wings. “Given all that my uncle accomplished, it was only natural to consider getting back involved in public office, and I appreciate all the calls of support and friendship that have poured in,” Kennedy said in a statement posted on the web site of Citizens Energy, of which he is the founder. “My father called politics an honorable profession, and I have profound respect for...