In a sometimes heated meeting with Israel’s ambassador to the U.S., several House Democrats expressed anger Wednesday over Prime Minister Benjamin Netanyahu’s acceptance of a Republican invitation to address Congress next month. Some of the seven lawmakers—all of whom are Jewish and strong supporters of Israel—urged the prime minister to postpone the speech or hold it somewhere other than Congress, participants said. They told Ambassador Ron Dermer that Netanyahu was unwise to accept a GOP invitation that bypassed President Barack Obama, and to schedule the speech only two weeks before Netanyahu seeks another term in Israel’s elections. The meeting’s purpose...