Donald Trump looking to Sarah Huckabee Sanders in tough moments

Faced with aggressive on-air questioning about the president’s wiretapping claims, Sarah Huckabee Sanders didn’t flinch, she went folksy. Speaking to George Stephanopoulos on “Good Morning America,” she pulled out a version of an old line from President Lyndon Johnson: “If the president walked across the Potomac, the media would be reporting that he could not swim.” The 34-year-old spokeswoman for President Donald Trump was schooled in hardscrabble politics — and down-home rhetoric — from a young age by her father,…