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A "super-focused" Serena Williams joined sister Venus in the fourth round of the Australian Open Saturday, ruthlessly snuffing out Nicole Gibbs's challenge as she accelerates towards a record 23rd Grand Slam title. The second seed clinically dispatched her fellow American 6-1, 6-3 on Rod Laver Arena, further dispelling any lingering doubts about her early-season form. It is the 14th time in her 17 Australian Opens she has made at least the fourth round, and sets her up with a clash against 16th-seeded Czech Barbora Strycova, who beat French 21st seed Caroline Garcia.
President Donald Trump assumed power with a fiercely nationalistic vow to put "America first," taking a stinging swipe at the legacy of his predecessor hours after reciting the oath of office. "From this day forward, a new vision will govern our land," Trump said, promising an end to business-as-usual in Washington. Adhering to his vow to immediately start dismantling the healthcare reforms passed by outgoing president Barack Obama, Trump signed his first executive order in the Oval Office, targeting Obamacare.