YANGON, Myanmar — President Barack Obama on Friday defended his plans to use executive power to bypass Congress, signaling that he’s determined to move on issues like immigration and climate change, especially when lawmakers have failed to act. “They have the ability to fix the system. What they don’t have is the ability to do is expect me to stand by with a broken system in perpetuity,” Obama said on immigration reform at a joint news conference here with Myanmar dissident leader Aung San Suu Kyi. “It’s way overdue. We’ve been talking about it for 10 years now and it’s...