some symptoms of low blood sugar are shaking, sweating and rapid heartbeat. call your doctor if you have an allergic reaction like rash, hives or swelling of the face, mouth or throat. ask your doctor if you also take a tzd as swelling in the hands, feet or ankles may worsen. blood tests will check for kidney problems. you may need a lower dose of onglyza if your kidneys are not working well or if you take certain medicines. [ male announcer ] ask your doctor about adding onglyza. extra help. extra control. you may be eligible to pay $10 a month with the onglyza value card program. >>shepard: now the threat of homegrown terrorism in the united states is said to be rising and more complex in the last year. that is from the f.b.i. director himself who today testified at a senate hearing on terrorist threats to our homeland. and now our reporter follows such matters and is in washington, dc. the national counter terrorism