President Obama on Wednesday forcefully defended his decision not to visit the Texas border with Mexico to view a burgeoning humanitarian crisis, saying he’s “not interested in photo ops” and challenging Congress to give him new authority to respond to the situation. “Nothing has taken place down there that I’m not intimately aware of,” Obama said during a hastily arranged news conference here, where he began a two-day visit to the state for Democratic fundraising and an economic event. “This is not theater.” His remarks came after a meeting with Texas Gov. Rick Perry (R) and local leaders to discuss...