By Maayan Lubell JERUSALEM, April 26 (Reuters) - Two of Israeli Prime Minister Benjamin Netanyahu's most formidable political rivals said on Sunday they were joining forces in a bid to oust his coalition government in the upcoming election expected later this year. The former prime ministers - right-wing Naftali Bennett and centrist Yair Lapid - issued statements announcing the merger of their parties, Bennett 2026 and There is a Future.
