WASHINGTON (AP) -- As President Barack Obama prepares to deliver his annual address to Congress, many goals he outlined in previous State of the Union speeches remain unfulfilled. From reforming immigration laws to meeting monthly with congressional leaders of both parties, the promises fell victim to congressional opposition or faded in face of other priorities as the unruly realities of governing set in.For Obama, like presidents before him, the State of the Union is an opportunity like no other to state his case on a grand stage, before both houses of Congress and a prime time television audience. But as with other presidents, the aspirations he's laid out have often turned out to be ephemeral, unable to secure the needed congressional consent or requiring follow-through that's not been forthcoming.As Obama's first term marches to an end amid bitterly divided government and an intense campaign by Republicans to take his job, it's going to be even harder for him to get things done this year. So Tuesday night's speech may focus as much on making an overarching case for his presidency - and for a second term - as on the kind of laundry list of initiatives that sometimes characterize State of the Union appeals.\State of the Union addresses are kind of like the foam rubber rocks they used on Star Trek - they look solid but aren't