1. This time the president's turning to his number 2 to tackle the surge of young migrants at the border, a challenge that threatens the administration's legislative agenda.
turn to 向(某人)求助
In times of crisis I know which friends I can turn to.
在危难关头我知道能投靠哪些朋友
。2. The president says she'll deal with the northern triangle nations of El Salvador, Guatemala and Honduras to tackle internal issues that drive immigration.
deal with 处理;应付;与…打交道
You need the patience of Job to deal with some of our customers.
和我们的一些顾客打交道需要有极大的耐心
。