WASHINGTON — Vice President Joe Biden would have a rough time challenging Hillary Clinton for the Democratic presidential nomination. They're too much alike. They appeal to the same Democratic constituencies. Their Senate voting records are nearly identical. They even share the same controversies — both voted for the Iraq war. Biden, who is said to be…
5 reasons Biden would have hard time catching Clinton
Biden, who is said to be seriously weighing a bid for the Democratic nomination, would start with some significant advantages