New Delhi, April 24 -- As the US military campaign involving Iran nears the two-month mark, signs of unease are emerging within the Republican party, with some lawmakers indicating that a key statutory deadline could prove decisive for President Donald Trump. Trump has justified the strikes by invoking his authority as commander-in-chief, saying they were aimed at protecting US bases in West Asia and advancing "vital US national interests". According to a New York Times report, the administration maintains that the operation falls within the bounds of the War Powers Resolution, which allows the president to deploy US forces without congressional authorisation for up to 60 days. President Trump formally notified Congress on March 2, starting...