(3 May 1999) English/Nat Viktor Chernomyrdin has arrived in Washington for talks with President Clinton on the Kosovo crisis. Clinton said earlier on Monday -- quote --- "there's plenty to talk about" as Russia tries to broker a diplomatic solution to the Kosovo crisis. But Clinton said the U-S-led bombing will continue until President Slobodan Milosevic makes moves towards peace in Kosovo. Clinton rejected calls for a pause in the NATO bombing as a gesture following the release of three