The leaders of Israel and the United States are to meet in Washington later this month.
Israeli Prime Minister Binyamin Netanyahu, who is visiting London and Paris this week, is due to address a joint session of the US congress on May 23. The meeting with President Obama will take place at the White House three days earlier.
Shimon Peres is to follow up his trip to the UK this week with a meeting with President Barack Obama in Washington. It will be the Israeli President's first visit to the White House in almost two years.
Mr Peres is expected to lay out some of the details of a new Middle East peace plan at meetings with US government leaders, including at a "working lunch" in the White House.
The nomination of White House adviser Daniel Shapiro as US ambassador to Israel has won praise across the spectrum from US Jewish organistions which saw Shapiro as the best man for the job-and one who has the President's ear.
Mr Shapiro, 41, will replace Bush appointee James Cunningham. The nomination must be confirmed by the US Senate.
One of the most senior Jewish politicians in the United States, and the only Jewish vice-presidential candidate in the history of the major parties, is expected to announce his departure from the Senate today.
Senator Joe Lieberman, who was first elected to represent Connecticut for the Democratic party in 1988 but left to run as an independent in 2006, will not contest a fifth election next year.