Senator Obama is an unknown quantity as he tours the Middle East.
Lebanon's new government is slated to review the militant Shiite party's weapons as part of a national defense strategy once it takes office. The prisoner swap with Israel has given Hezbollah new leverage.
Two soldiers whose remains were part of a prisoner swap with Hezbollah were eulogized Thursday amid ongoing unease over the exchange and questions about balancing family interests with those of the state.
Critics say the deal, which they see as lopsided, could embolden Hezbollah.
In Lebanon, hundreds waited for five prisoners, who were treated as returning heroes.