and low income seniors, no change to social security benefits. that will be a battlefield with progressives and liberals over that chain cpi. a wonky mathematical way to try to close a budget deficit that would lead to smaller checks for some people. that s right and christine, you are exactly right. a lot of liberals who feel like it s an outright betrayal to do something like this. it is something that will really hurt seniors as well as other vulnerable americans and this will be a big battle. thank you, briana. let s go to zoraida for the rest of the day s news. we re expecting the president in the rose garden to have an address at 11:00 a.m. stay tuned for that here. take a look at this video mta setting off a powerful underground explosion underneath new york city. breaking through tough bedrock and making way for a huge subway expansion on manhattan s east side. it is set to cost 8.3 billion