Sunday shows preview: Final push before Super Tuesday
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Politicians and pundits have a lot to discuss this week, with the Sunday shows coming just two days before Super Tuesday and two days after a key development in the Republican race.

In a surprise twist, Gov. Chris Christie (R-N.J) is dominating the news this week with his endorsement of former rival and current Republican front-runner Donald TrumpDonald John TrumpGOP-Trump trade fight boils over with threat to cars Trump: Meetings on potential North Korea summit going 'very well' Freed American 'overwhelmed with gratitude' after being released from Venezuela MORE.

Despite no longer being in the presidential race, Christie will make three appearances this week to discuss the endorsement and most likely take aim at Marco RubioMarco Antonio RubioHouse immigration fight could boost vulnerable Republicans Venezuelan oil must not fall under Russia's tutelage Giuliani rails against Mueller probe MORE.
Here is the rest of the lineup:
ABC's "This Week:" Christie makes an appearance to talk about the endorsement, while Cruz and Sanders discuss their Super Tuesday chances.
CBS' "Face the Nation:" Donald Trump comes on to talk about his momentum going into Super Tuesday. Cruz and Sanders also make appearances.
CNN's "State of the Union:" John Kasich makes an appearance following a New York Times report that revealed that many in the Republican establishment want him to drop out. Cruz and Christie also join.
"Fox News Sunday:" Trump comes on to talk about his Super Tuesday strategy. Cruz makes his fourth appearance of the day.
NBC's "Meet the Press:" Trump makes another appearance to talk about the endorsement from Christie and Super Tuesday. Cruz, Sanders and Kasich will also be giving interviews.