then, trinity university professor david lesh talks about his book "syria-the fall of the house of assad." and from the government accountability office, a look at the treasury department actions to avoid hitting the debt ceiling of the estimated $1 billion cost. "washington journal" is next. host: good monday morning and welcome to washington journal. "usa today" says -- the president is speaking to the united nations on tuesday. both candidates preparing for next week's first presidential debate in denver. secretary of state clinton speaks at resident's clinton .lobal initiative holbei we will stick with politics this morning and get your take on who you are voting for and why. what is your top issue? we also want to hear from undecided voters or soft voters. what are your top issues? and you can send us a tweet. also, post your comments on facebook. or send us an e-mail. we will begin this morning with the latest battleground poll from "politico" and george washington university, showing president obama with a slight edge. governor romney was leading in may. now the latest poll shows