DFW Coronavirus Tracker: Pence, Birx appeal 'to every Texan' to wear a mask after state's positivity rate triples in one month

This story is available as part of a content partnership with WFAA-TV. For more local news, visit WFAA.com. Vice President Mike Pence said Texas "flattened the curve" until about two weeks ago when "something changed" during a visit Sunday in Dallas. The vice president met with Gov. Greg Abbott in the city for a COVID-19 briefing at UT Southwestern Medical Center. Coronavirus cases have surged in recent weeks. "You flattened the curve here in Texas... but about two weeks ago something changed,"…