HOUSTON — An anti-abortion activist’s plan to reject a plea deal offering probation for charges related to making undercover Planned Parenthood videos likely means his goal is to use a trial as a public platform to criticize the nonprofit, according to legal experts.David Daleiden surrendered to authorities, posted $3,000 bond and made two court appearances Thursday on the felony and misdemeanor charges he faces before prosecutors offered him pretrial diversion, a form of probation that would keep him out of prison and …