Today’s breaching of the debt ceiling by the U.S. government is making seniors’ advocates nervous.  The federal government is now on track to default on its financial obligations (including the ability to make Social Security and Medicare payments) as early as June --- unless Congress raises the debt ceiling, which it has done 78 times since 1960.  As CNN's Jake Tapper put it, "Republicans are vowing to cut future spending before agreeing to pay bills that are already due."