china s threats of retaliatory measures. soon after nancy pelosi s arrival they announced a series of military options and drills were defying their warnings. details tonight from the pentagon. speak of the pentagon edge watching china s defense ministry, 21 chinese warplanes entered its air defense identification zone as tensions between the two global powers under a new phase. supporters and critics it gathered as house speaker nancy pelosi arrived in taiwan with five other members of congress, just before midnight. she is the highest ranking u.s. official to visit the island democracy and first house speaker to do so since newt gingrich 25 years ago. taiwan s tallest building welcome to speaker pelosi with a simple message, thank you. china s foreign ministry warning that the u.s. is playing with fire and might get burned. we will continue to operate in the seas and these guys of the western pacific as we have done for decades. we will continue to support taiwan. the