Plot: 2013/10/04 Headlines: President Obama Cancels Trip to APEC Summit as Shutdown Continues; GOP Congressmember Walks Back Controversial Budget Remark; Mitch McConnell, Rand Paul Caught on Tape Discussing Shutdown Strategy; Woman Shot Dead After Capitol Hill Car Chase; Gulf Coast Braces for Tropical Storm Karen; At Least 130 African Migrants Die in Boat Tragedy; U. N