NEW YORK (Reuters) - Cutting the U.S. deficit by some $4 trillion over 10 years would be a good start, but more savings would be needed over time to bring the country's finances under control, ratings agency Standard & Poor's said on Thursday. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=Wophf1mOZXk:EHQNKTlzGhM:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=Wophf1mOZXk:EHQNKTlzGhM:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/Wophf1mOZXk)