Beijing cannot sit by and let her North Korean ally be bombed, nor can it allow U.S. and South Korean forces to defeat the North, bring down the regime, and unite the peninsula, with U.S. and South Korean soldiers sitting on the Yalu, as they did in 1950 before Mao ordered his Chinese army into Korea.
What would be the political benefits to Obama of an amnesty? It could weld Hispanics to the Democratic Party, would be wildly popular with the ideological and Christian Left, and quietly welcomed by those Chamber-of-Commerce Republicans who have silently supported amnesty and secretly want immigration off the table in 2016.