Unraveling US-Russian relations from New York Times:

Now, both sides are slipping back toward habits reminiscent of the Cold War. The joint atomic projects have declined substantially. Last week, Washington accused Moscow of violating a major arms treaty on missile technology. After the negotiation of the modest New Start treaty in 2010, progress toward another round of nuclear warhead reductions is dead in the water and unlikely to be revived during President Obama’s term in office.
Even though I've asked JMA and Outlaw repeatedly to what extent does the U.S. pursue the Ukraine issue at the expense of a functional relationship with Russia, I've yet to receive an answer. Ukraine is one part of a larger picture - what do we want that larger picture to look like?