The House of Representatives is set to consider a bill this week that would limit stock trading by members of Congress and their families. It’s the latest of many such proposals, and it faces uncertain prospects in the Senate. Introduced by Rep. Bryan Steil (R-Wis.), the Stop Insider Trading Act would not prohibit them or family members from selling existing stocks. Here’s what to know about the bill and the debate surrounding it. What the Bill Would Do The Stop Insider Trading Act would prohibit members of Congress, their spouses, and their children from purchasing new individual, publicly traded stocks. It would not apply to stocks they currently hold....